(8x-3)(x+4)=

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Solution for (8x-3)(x+4)= equation:


Simplifying
(8x + -3)(x + 4) = 0

Reorder the terms:
(-3 + 8x)(x + 4) = 0

Reorder the terms:
(-3 + 8x)(4 + x) = 0

Multiply (-3 + 8x) * (4 + x)
(-3(4 + x) + 8x * (4 + x)) = 0
((4 * -3 + x * -3) + 8x * (4 + x)) = 0
((-12 + -3x) + 8x * (4 + x)) = 0
(-12 + -3x + (4 * 8x + x * 8x)) = 0
(-12 + -3x + (32x + 8x2)) = 0

Combine like terms: -3x + 32x = 29x
(-12 + 29x + 8x2) = 0

Solving
-12 + 29x + 8x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-4 + -1x)(3 + -8x) = 0

Subproblem 1

Set the factor '(-4 + -1x)' equal to zero and attempt to solve: Simplifying -4 + -1x = 0 Solving -4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1x = 0 + 4 -1x = 0 + 4 Combine like terms: 0 + 4 = 4 -1x = 4 Divide each side by '-1'. x = -4 Simplifying x = -4

Subproblem 2

Set the factor '(3 + -8x)' equal to zero and attempt to solve: Simplifying 3 + -8x = 0 Solving 3 + -8x = 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 + -8x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -8x = 0 + -3 -8x = 0 + -3 Combine like terms: 0 + -3 = -3 -8x = -3 Divide each side by '-8'. x = 0.375 Simplifying x = 0.375

Solution

x = {-4, 0.375}

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