x(x+6)=3(4x-3)

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Solution for x(x+6)=3(4x-3) equation:


Simplifying
x(x + 6) = 3(4x + -3)

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

Reorder the terms:
6x + x2 = 3(-3 + 4x)
6x + x2 = (-3 * 3 + 4x * 3)
6x + x2 = (-9 + 12x)

Solving
6x + x2 = -9 + 12x

Solving for variable 'x'.

Reorder the terms:
9 + 6x + -12x + x2 = -9 + 12x + 9 + -12x

Combine like terms: 6x + -12x = -6x
9 + -6x + x2 = -9 + 12x + 9 + -12x

Reorder the terms:
9 + -6x + x2 = -9 + 9 + 12x + -12x

Combine like terms: -9 + 9 = 0
9 + -6x + x2 = 0 + 12x + -12x
9 + -6x + x2 = 12x + -12x

Combine like terms: 12x + -12x = 0
9 + -6x + x2 = 0

Factor a trinomial.
(3 + -1x)(3 + -1x) = 0

Subproblem 1

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Subproblem 2

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Solution

x = {3, 3}

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