(8x-9)(4x+6)=0

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Solution for (8x-9)(4x+6)=0 equation:


Simplifying
(8x + -9)(4x + 6) = 0

Reorder the terms:
(-9 + 8x)(4x + 6) = 0

Reorder the terms:
(-9 + 8x)(6 + 4x) = 0

Multiply (-9 + 8x) * (6 + 4x)
(-9(6 + 4x) + 8x * (6 + 4x)) = 0
((6 * -9 + 4x * -9) + 8x * (6 + 4x)) = 0
((-54 + -36x) + 8x * (6 + 4x)) = 0
(-54 + -36x + (6 * 8x + 4x * 8x)) = 0
(-54 + -36x + (48x + 32x2)) = 0

Combine like terms: -36x + 48x = 12x
(-54 + 12x + 32x2) = 0

Solving
-54 + 12x + 32x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-27 + 6x + 16x2) = 0

Factor a trinomial.
2((-3 + -2x)(9 + -8x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-3 + -2x)' equal to zero and attempt to solve: Simplifying -3 + -2x = 0 Solving -3 + -2x = 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 + -2x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -2x = 0 + 3 -2x = 0 + 3 Combine like terms: 0 + 3 = 3 -2x = 3 Divide each side by '-2'. x = -1.5 Simplifying x = -1.5

Subproblem 2

Set the factor '(9 + -8x)' equal to zero and attempt to solve: Simplifying 9 + -8x = 0 Solving 9 + -8x = 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 + -8x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -8x = 0 + -9 -8x = 0 + -9 Combine like terms: 0 + -9 = -9 -8x = -9 Divide each side by '-8'. x = 1.125 Simplifying x = 1.125

Solution

x = {-1.5, 1.125}

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