(4x+2)(x-3)=0

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Solution for (4x+2)(x-3)=0 equation:


Simplifying
(4x + 2)(x + -3) = 0

Reorder the terms:
(2 + 4x)(x + -3) = 0

Reorder the terms:
(2 + 4x)(-3 + x) = 0

Multiply (2 + 4x) * (-3 + x)
(2(-3 + x) + 4x * (-3 + x)) = 0
((-3 * 2 + x * 2) + 4x * (-3 + x)) = 0
((-6 + 2x) + 4x * (-3 + x)) = 0
(-6 + 2x + (-3 * 4x + x * 4x)) = 0
(-6 + 2x + (-12x + 4x2)) = 0

Combine like terms: 2x + -12x = -10x
(-6 + -10x + 4x2) = 0

Solving
-6 + -10x + 4x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-3 + -5x + 2x2) = 0

Factor a trinomial.
2((-1 + -2x)(3 + -1x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-1 + -2x)' equal to zero and attempt to solve: Simplifying -1 + -2x = 0 Solving -1 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -2x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -2x = 0 + 1 -2x = 0 + 1 Combine like terms: 0 + 1 = 1 -2x = 1 Divide each side by '-2'. x = -0.5 Simplifying x = -0.5

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 = {-0.5, 3}

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