(3x-8)(x+8)=0

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Solution for (3x-8)(x+8)=0 equation:


Simplifying
(3x + -8)(x + 8) = 0

Reorder the terms:
(-8 + 3x)(x + 8) = 0

Reorder the terms:
(-8 + 3x)(8 + x) = 0

Multiply (-8 + 3x) * (8 + x)
(-8(8 + x) + 3x * (8 + x)) = 0
((8 * -8 + x * -8) + 3x * (8 + x)) = 0
((-64 + -8x) + 3x * (8 + x)) = 0
(-64 + -8x + (8 * 3x + x * 3x)) = 0
(-64 + -8x + (24x + 3x2)) = 0

Combine like terms: -8x + 24x = 16x
(-64 + 16x + 3x2) = 0

Solving
-64 + 16x + 3x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-8 + -1x)(8 + -3x) = 0

Subproblem 1

Set the factor '(-8 + -1x)' equal to zero and attempt to solve: Simplifying -8 + -1x = 0 Solving -8 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -1x = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -1x = 0 + 8 -1x = 0 + 8 Combine like terms: 0 + 8 = 8 -1x = 8 Divide each side by '-1'. x = -8 Simplifying x = -8

Subproblem 2

Set the factor '(8 + -3x)' equal to zero and attempt to solve: Simplifying 8 + -3x = 0 Solving 8 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -3x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -3x = 0 + -8 -3x = 0 + -8 Combine like terms: 0 + -8 = -8 -3x = -8 Divide each side by '-3'. x = 2.666666667 Simplifying x = 2.666666667

Solution

x = {-8, 2.666666667}

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