(4x-8)(8x+4)=0

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Solution for (4x-8)(8x+4)=0 equation:


Simplifying
(4x + -8)(8x + 4) = 0

Reorder the terms:
(-8 + 4x)(8x + 4) = 0

Reorder the terms:
(-8 + 4x)(4 + 8x) = 0

Multiply (-8 + 4x) * (4 + 8x)
(-8(4 + 8x) + 4x * (4 + 8x)) = 0
((4 * -8 + 8x * -8) + 4x * (4 + 8x)) = 0
((-32 + -64x) + 4x * (4 + 8x)) = 0
(-32 + -64x + (4 * 4x + 8x * 4x)) = 0
(-32 + -64x + (16x + 32x2)) = 0

Combine like terms: -64x + 16x = -48x
(-32 + -48x + 32x2) = 0

Solving
-32 + -48x + 32x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '16'.
16(-2 + -3x + 2x2) = 0

Factor a trinomial.
16((-1 + -2x)(2 + -1x)) = 0

Ignore the factor 16.

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

Solution

x = {-0.5, 2}

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