10x^2-25x-25=0

Simple and best practice solution for 10x^2-25x-25=0 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 10x^2-25x-25=0 equation:


Simplifying
10x2 + -25x + -25 = 0

Reorder the terms:
-25 + -25x + 10x2 = 0

Solving
-25 + -25x + 10x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '5'.
5(-5 + -5x + 2x2) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(-5 + -5x + 2x2)' equal to zero and attempt to solve: Simplifying -5 + -5x + 2x2 = 0 Solving -5 + -5x + 2x2 = 0 Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. -2.5 + -2.5x + x2 = 0 Move the constant term to the right: Add '2.5' to each side of the equation. -2.5 + -2.5x + 2.5 + x2 = 0 + 2.5 Reorder the terms: -2.5 + 2.5 + -2.5x + x2 = 0 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + -2.5x + x2 = 0 + 2.5 -2.5x + x2 = 0 + 2.5 Combine like terms: 0 + 2.5 = 2.5 -2.5x + x2 = 2.5 The x term is -2.5x. Take half its coefficient (-1.25). Square it (1.5625) and add it to both sides. Add '1.5625' to each side of the equation. -2.5x + 1.5625 + x2 = 2.5 + 1.5625 Reorder the terms: 1.5625 + -2.5x + x2 = 2.5 + 1.5625 Combine like terms: 2.5 + 1.5625 = 4.0625 1.5625 + -2.5x + x2 = 4.0625 Factor a perfect square on the left side: (x + -1.25)(x + -1.25) = 4.0625 Calculate the square root of the right side: 2.015564437 Break this problem into two subproblems by setting (x + -1.25) equal to 2.015564437 and -2.015564437.

Subproblem 1

x + -1.25 = 2.015564437 Simplifying x + -1.25 = 2.015564437 Reorder the terms: -1.25 + x = 2.015564437 Solving -1.25 + x = 2.015564437 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.25' to each side of the equation. -1.25 + 1.25 + x = 2.015564437 + 1.25 Combine like terms: -1.25 + 1.25 = 0.00 0.00 + x = 2.015564437 + 1.25 x = 2.015564437 + 1.25 Combine like terms: 2.015564437 + 1.25 = 3.265564437 x = 3.265564437 Simplifying x = 3.265564437

Subproblem 2

x + -1.25 = -2.015564437 Simplifying x + -1.25 = -2.015564437 Reorder the terms: -1.25 + x = -2.015564437 Solving -1.25 + x = -2.015564437 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.25' to each side of the equation. -1.25 + 1.25 + x = -2.015564437 + 1.25 Combine like terms: -1.25 + 1.25 = 0.00 0.00 + x = -2.015564437 + 1.25 x = -2.015564437 + 1.25 Combine like terms: -2.015564437 + 1.25 = -0.765564437 x = -0.765564437 Simplifying x = -0.765564437

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.265564437, -0.765564437}

Solution

x = {3.265564437, -0.765564437}

See similar equations:

| 4x^4+x^14= | | 0.5x+16=7 | | 40a-20+50a+50a-50=350 | | -2(2t+6)=-20 | | 4(3w+6)=12 | | 2(5x-3x)+15=35 | | 802=2x+0.5y | | 2x(4-2)=1 | | 3(2j+3)-2(j+2)= | | 3x^2-28x+23=0 | | 8(4s+1)=328 | | 7(2l+10)=168 | | 70=3.14*r^2 | | 3(f-1)=21 | | 5(a-10)=35 | | -8(s+5)=-76 | | 25=3.14*r^2 | | 7(3s+1)=238 | | 6(2l+2)=108 | | S=0.5(v-u)t | | 23x^2+16x+16=0 | | -33/4+x=-55/6 | | Z^4+2+2i=0 | | 1x^2-3x^2-10x+24=0 | | Ln(2x+1)=LnX+2 | | 5x+3=-87 | | 2x-4=1.5 | | 2x+20=47x | | 30-(3c+4)=2(c+7) | | 279x^2+392x-196=0 | | x^6+8x^2=0 | | 30-(3c+4)=2(c+4) |

Equations solver categories