2x(2x+3)=-3(x-3)

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Solution for 2x(2x+3)=-3(x-3) equation:


Simplifying
2x(2x + 3) = -3(x + -3)

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

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

Solving
6x + 4x2 = 9 + -3x

Solving for variable 'x'.

Reorder the terms:
-9 + 6x + 3x + 4x2 = 9 + -3x + -9 + 3x

Combine like terms: 6x + 3x = 9x
-9 + 9x + 4x2 = 9 + -3x + -9 + 3x

Reorder the terms:
-9 + 9x + 4x2 = 9 + -9 + -3x + 3x

Combine like terms: 9 + -9 = 0
-9 + 9x + 4x2 = 0 + -3x + 3x
-9 + 9x + 4x2 = -3x + 3x

Combine like terms: -3x + 3x = 0
-9 + 9x + 4x2 = 0

Factor a trinomial.
(-3 + -1x)(3 + -4x) = 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 + -4x)' equal to zero and attempt to solve: Simplifying 3 + -4x = 0 Solving 3 + -4x = 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 + -4x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -4x = 0 + -3 -4x = 0 + -3 Combine like terms: 0 + -3 = -3 -4x = -3 Divide each side by '-4'. x = 0.75 Simplifying x = 0.75

Solution

x = {-3, 0.75}

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