(2-5x)*(2+5x)=5(1+2x)-(5x+2)*(-10x)

Simple and best practice solution for (2-5x)*(2+5x)=5(1+2x)-(5x+2)*(-10x) equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for (2-5x)*(2+5x)=5(1+2x)-(5x+2)*(-10x) equation:


Simplifying
(2 + -5x)(2 + 5x) = 5(1 + 2x) + -1(5x + 2)(-10x)

Multiply (2 + -5x) * (2 + 5x)
(2(2 + 5x) + -5x * (2 + 5x)) = 5(1 + 2x) + -1(5x + 2)(-10x)
((2 * 2 + 5x * 2) + -5x * (2 + 5x)) = 5(1 + 2x) + -1(5x + 2)(-10x)
((4 + 10x) + -5x * (2 + 5x)) = 5(1 + 2x) + -1(5x + 2)(-10x)
(4 + 10x + (2 * -5x + 5x * -5x)) = 5(1 + 2x) + -1(5x + 2)(-10x)
(4 + 10x + (-10x + -25x2)) = 5(1 + 2x) + -1(5x + 2)(-10x)

Combine like terms: 10x + -10x = 0
(4 + 0 + -25x2) = 5(1 + 2x) + -1(5x + 2)(-10x)
(4 + -25x2) = 5(1 + 2x) + -1(5x + 2)(-10x)
4 + -25x2 = (1 * 5 + 2x * 5) + -1(5x + 2)(-10x)
4 + -25x2 = (5 + 10x) + -1(5x + 2)(-10x)

Reorder the terms:
4 + -25x2 = 5 + 10x + -1(2 + 5x)(-10x)

Remove parenthesis around (-10x)
4 + -25x2 = 5 + 10x + -1(2 + 5x) * -10x

Reorder the terms for easier multiplication:
4 + -25x2 = 5 + 10x + -1 * -10x(2 + 5x)

Multiply -1 * -10
4 + -25x2 = 5 + 10x + 10x(2 + 5x)
4 + -25x2 = 5 + 10x + (2 * 10x + 5x * 10x)
4 + -25x2 = 5 + 10x + (20x + 50x2)

Combine like terms: 10x + 20x = 30x
4 + -25x2 = 5 + 30x + 50x2

Solving
4 + -25x2 = 5 + 30x + 50x2

Solving for variable 'x'.

Reorder the terms:
4 + -5 + -30x + -25x2 + -50x2 = 5 + 30x + 50x2 + -5 + -30x + -50x2

Combine like terms: 4 + -5 = -1
-1 + -30x + -25x2 + -50x2 = 5 + 30x + 50x2 + -5 + -30x + -50x2

Combine like terms: -25x2 + -50x2 = -75x2
-1 + -30x + -75x2 = 5 + 30x + 50x2 + -5 + -30x + -50x2

Reorder the terms:
-1 + -30x + -75x2 = 5 + -5 + 30x + -30x + 50x2 + -50x2

Combine like terms: 5 + -5 = 0
-1 + -30x + -75x2 = 0 + 30x + -30x + 50x2 + -50x2
-1 + -30x + -75x2 = 30x + -30x + 50x2 + -50x2

Combine like terms: 30x + -30x = 0
-1 + -30x + -75x2 = 0 + 50x2 + -50x2
-1 + -30x + -75x2 = 50x2 + -50x2

Combine like terms: 50x2 + -50x2 = 0
-1 + -30x + -75x2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(1 + 30x + 75x2) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(1 + 30x + 75x2)' equal to zero and attempt to solve: Simplifying 1 + 30x + 75x2 = 0 Solving 1 + 30x + 75x2 = 0 Begin completing the square. Divide all terms by 75 the coefficient of the squared term: Divide each side by '75'. 0.01333333333 + 0.4x + x2 = 0 Move the constant term to the right: Add '-0.01333333333' to each side of the equation. 0.01333333333 + 0.4x + -0.01333333333 + x2 = 0 + -0.01333333333 Reorder the terms: 0.01333333333 + -0.01333333333 + 0.4x + x2 = 0 + -0.01333333333 Combine like terms: 0.01333333333 + -0.01333333333 = 0.00000000000 0.00000000000 + 0.4x + x2 = 0 + -0.01333333333 0.4x + x2 = 0 + -0.01333333333 Combine like terms: 0 + -0.01333333333 = -0.01333333333 0.4x + x2 = -0.01333333333 The x term is 0.4x. Take half its coefficient (0.2). Square it (0.04) and add it to both sides. Add '0.04' to each side of the equation. 0.4x + 0.04 + x2 = -0.01333333333 + 0.04 Reorder the terms: 0.04 + 0.4x + x2 = -0.01333333333 + 0.04 Combine like terms: -0.01333333333 + 0.04 = 0.02666666667 0.04 + 0.4x + x2 = 0.02666666667 Factor a perfect square on the left side: (x + 0.2)(x + 0.2) = 0.02666666667 Calculate the square root of the right side: 0.163299316 Break this problem into two subproblems by setting (x + 0.2) equal to 0.163299316 and -0.163299316.

Subproblem 1

x + 0.2 = 0.163299316 Simplifying x + 0.2 = 0.163299316 Reorder the terms: 0.2 + x = 0.163299316 Solving 0.2 + x = 0.163299316 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2' to each side of the equation. 0.2 + -0.2 + x = 0.163299316 + -0.2 Combine like terms: 0.2 + -0.2 = 0.0 0.0 + x = 0.163299316 + -0.2 x = 0.163299316 + -0.2 Combine like terms: 0.163299316 + -0.2 = -0.036700684 x = -0.036700684 Simplifying x = -0.036700684

Subproblem 2

x + 0.2 = -0.163299316 Simplifying x + 0.2 = -0.163299316 Reorder the terms: 0.2 + x = -0.163299316 Solving 0.2 + x = -0.163299316 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2' to each side of the equation. 0.2 + -0.2 + x = -0.163299316 + -0.2 Combine like terms: 0.2 + -0.2 = 0.0 0.0 + x = -0.163299316 + -0.2 x = -0.163299316 + -0.2 Combine like terms: -0.163299316 + -0.2 = -0.363299316 x = -0.363299316 Simplifying x = -0.363299316

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.036700684, -0.363299316}

Solution

x = {-0.036700684, -0.363299316}

See similar equations:

| 8(2-3x)=-9(5-1g) | | 1/2x+5=-1/2x-3 | | 4+5n=2n-2 | | 75=5x-4(3x-10) | | 12j=(J-8) | | 32x-8=32 | | 2x+5=3m+15 | | 84=2(l+14) | | 6(2-5g)=9g-183 | | (X+3)-(2x-5)= | | -17+3n=-4(3n-7)+6n | | -11-9=13 | | -7x-8y=-22 | | 13=9-(-11q) | | 13=9-11q | | 3x-2*3=6 | | 5x(x-4)=50 | | 9-11q=13 | | 12x=203-11x | | 3*2-2y=6 | | 8d+9=2d+27 | | 4x+-2+9x+-3=3 | | 135x+29y=1 | | 96=-25a | | 23x+110y=0 | | 4b-1=9 | | f=g(a)+k(k+j)+jc | | 2(x+49)=8x+9-5x | | 1=9-2t | | 2x-14y=35 | | 25x^2-289= | | 25=n+3 |

Equations solver categories