2x(3x-4)=2(3x*3+8)

Simple and best practice solution for 2x(3x-4)=2(3x*3+8) 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 2x(3x-4)=2(3x*3+8) equation:


Simplifying
2x(3x + -4) = 2(3x * 3 + 8)

Reorder the terms:
2x(-4 + 3x) = 2(3x * 3 + 8)
(-4 * 2x + 3x * 2x) = 2(3x * 3 + 8)
(-8x + 6x2) = 2(3x * 3 + 8)

Reorder the terms for easier multiplication:
-8x + 6x2 = 2(3 * 3x + 8)

Multiply 3 * 3
-8x + 6x2 = 2(9x + 8)

Reorder the terms:
-8x + 6x2 = 2(8 + 9x)
-8x + 6x2 = (8 * 2 + 9x * 2)
-8x + 6x2 = (16 + 18x)

Solving
-8x + 6x2 = 16 + 18x

Solving for variable 'x'.

Reorder the terms:
-16 + -8x + -18x + 6x2 = 16 + 18x + -16 + -18x

Combine like terms: -8x + -18x = -26x
-16 + -26x + 6x2 = 16 + 18x + -16 + -18x

Reorder the terms:
-16 + -26x + 6x2 = 16 + -16 + 18x + -18x

Combine like terms: 16 + -16 = 0
-16 + -26x + 6x2 = 0 + 18x + -18x
-16 + -26x + 6x2 = 18x + -18x

Combine like terms: 18x + -18x = 0
-16 + -26x + 6x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-8 + -13x + 3x2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-8 + -13x + 3x2)' equal to zero and attempt to solve: Simplifying -8 + -13x + 3x2 = 0 Solving -8 + -13x + 3x2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -2.666666667 + -4.333333333x + x2 = 0 Move the constant term to the right: Add '2.666666667' to each side of the equation. -2.666666667 + -4.333333333x + 2.666666667 + x2 = 0 + 2.666666667 Reorder the terms: -2.666666667 + 2.666666667 + -4.333333333x + x2 = 0 + 2.666666667 Combine like terms: -2.666666667 + 2.666666667 = 0.000000000 0.000000000 + -4.333333333x + x2 = 0 + 2.666666667 -4.333333333x + x2 = 0 + 2.666666667 Combine like terms: 0 + 2.666666667 = 2.666666667 -4.333333333x + x2 = 2.666666667 The x term is -4.333333333x. Take half its coefficient (-2.166666667). Square it (4.694444446) and add it to both sides. Add '4.694444446' to each side of the equation. -4.333333333x + 4.694444446 + x2 = 2.666666667 + 4.694444446 Reorder the terms: 4.694444446 + -4.333333333x + x2 = 2.666666667 + 4.694444446 Combine like terms: 2.666666667 + 4.694444446 = 7.361111113 4.694444446 + -4.333333333x + x2 = 7.361111113 Factor a perfect square on the left side: (x + -2.166666667)(x + -2.166666667) = 7.361111113 Calculate the square root of the right side: 2.713136766 Break this problem into two subproblems by setting (x + -2.166666667) equal to 2.713136766 and -2.713136766.

Subproblem 1

x + -2.166666667 = 2.713136766 Simplifying x + -2.166666667 = 2.713136766 Reorder the terms: -2.166666667 + x = 2.713136766 Solving -2.166666667 + x = 2.713136766 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.166666667' to each side of the equation. -2.166666667 + 2.166666667 + x = 2.713136766 + 2.166666667 Combine like terms: -2.166666667 + 2.166666667 = 0.000000000 0.000000000 + x = 2.713136766 + 2.166666667 x = 2.713136766 + 2.166666667 Combine like terms: 2.713136766 + 2.166666667 = 4.879803433 x = 4.879803433 Simplifying x = 4.879803433

Subproblem 2

x + -2.166666667 = -2.713136766 Simplifying x + -2.166666667 = -2.713136766 Reorder the terms: -2.166666667 + x = -2.713136766 Solving -2.166666667 + x = -2.713136766 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.166666667' to each side of the equation. -2.166666667 + 2.166666667 + x = -2.713136766 + 2.166666667 Combine like terms: -2.166666667 + 2.166666667 = 0.000000000 0.000000000 + x = -2.713136766 + 2.166666667 x = -2.713136766 + 2.166666667 Combine like terms: -2.713136766 + 2.166666667 = -0.546470099 x = -0.546470099 Simplifying x = -0.546470099

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.879803433, -0.546470099}

Solution

x = {4.879803433, -0.546470099}

See similar equations:

| q^2+4q-45=0 | | 5Z+17=3X+7 | | 4q^2-6q=3q^2-9q+10 | | -169/-13 | | 4x+3/9=8x+19/18-7x-29/5x-12 | | (-3/4)(-4/7) | | 4(x-5)+x=25 | | 83-4x=23+20 | | 4m^2-21m-18=0 | | 450=x+2/3x+x+2/3x+50 | | 45/x-14=22 | | -8a-10=6 | | 6q^2-5q=5q-9q+21 | | (16x+5)-(5+x+3x)= | | Y=2.5x+1 | | 7x+3x=30 | | x/4+5=x/2-7 | | -2/3+3 | | y=ln(2x)6x | | 5x+10=-26-7 | | X/5-7=-4 | | 3x-2/2x-5+3x-21/5=6x-22/10 | | 0.13x+0.05(70000-x)=5000 | | q^2+3q-10=0 | | -27-5x=12-9x | | X/4+5=-2 | | x/3+x/2=-250/6 | | (5x-1)(9x+4)=0 | | 3x^4+9x^3+x^2+3x=0 | | 3.72x+1.83=1.85x+4.9 | | 2x/3-x/4=-2 | | 4m^2-31m-45=0 |

Equations solver categories