(4x-9)(8x+3)=0

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Solution for (4x-9)(8x+3)=0 equation:


Simplifying
(4x + -9)(8x + 3) = 0

Reorder the terms:
(-9 + 4x)(8x + 3) = 0

Reorder the terms:
(-9 + 4x)(3 + 8x) = 0

Multiply (-9 + 4x) * (3 + 8x)
(-9(3 + 8x) + 4x * (3 + 8x)) = 0
((3 * -9 + 8x * -9) + 4x * (3 + 8x)) = 0
((-27 + -72x) + 4x * (3 + 8x)) = 0
(-27 + -72x + (3 * 4x + 8x * 4x)) = 0
(-27 + -72x + (12x + 32x2)) = 0

Combine like terms: -72x + 12x = -60x
(-27 + -60x + 32x2) = 0

Solving
-27 + -60x + 32x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-3 + -8x)(9 + -4x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(9 + -4x)' equal to zero and attempt to solve: Simplifying 9 + -4x = 0 Solving 9 + -4x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -4x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -4x = 0 + -9 -4x = 0 + -9 Combine like terms: 0 + -9 = -9 -4x = -9 Divide each side by '-4'. x = 2.25 Simplifying x = 2.25

Solution

x = {-0.375, 2.25}

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