(4x-8)(8x+10)=0

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Solution for (4x-8)(8x+10)=0 equation:


Simplifying
(4x + -8)(8x + 10) = 0

Reorder the terms:
(-8 + 4x)(8x + 10) = 0

Reorder the terms:
(-8 + 4x)(10 + 8x) = 0

Multiply (-8 + 4x) * (10 + 8x)
(-8(10 + 8x) + 4x * (10 + 8x)) = 0
((10 * -8 + 8x * -8) + 4x * (10 + 8x)) = 0
((-80 + -64x) + 4x * (10 + 8x)) = 0
(-80 + -64x + (10 * 4x + 8x * 4x)) = 0
(-80 + -64x + (40x + 32x2)) = 0

Combine like terms: -64x + 40x = -24x
(-80 + -24x + 32x2) = 0

Solving
-80 + -24x + 32x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '8'.
8(-10 + -3x + 4x2) = 0

Factor a trinomial.
8((-5 + -4x)(2 + -1x)) = 0

Ignore the factor 8.

Subproblem 1

Set the factor '(-5 + -4x)' equal to zero and attempt to solve: Simplifying -5 + -4x = 0 Solving -5 + -4x = 0 Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -4x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -4x = 0 + 5 -4x = 0 + 5 Combine like terms: 0 + 5 = 5 -4x = 5 Divide each side by '-4'. x = -1.25 Simplifying x = -1.25

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 = {-1.25, 2}

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