(-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((3 + -1x)(1 + 2x)) = 0

Ignore the factor 2.

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 '(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

Solution

x = {3, -0.5}

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