(3x+7)(8x-9)=

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Solution for (3x+7)(8x-9)= equation:


Simplifying
(3x + 7)(8x + -9) = 0

Reorder the terms:
(7 + 3x)(8x + -9) = 0

Reorder the terms:
(7 + 3x)(-9 + 8x) = 0

Multiply (7 + 3x) * (-9 + 8x)
(7(-9 + 8x) + 3x * (-9 + 8x)) = 0
((-9 * 7 + 8x * 7) + 3x * (-9 + 8x)) = 0
((-63 + 56x) + 3x * (-9 + 8x)) = 0
(-63 + 56x + (-9 * 3x + 8x * 3x)) = 0
(-63 + 56x + (-27x + 24x2)) = 0

Combine like terms: 56x + -27x = 29x
(-63 + 29x + 24x2) = 0

Solving
-63 + 29x + 24x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-7 + -3x)(9 + -8x) = 0


Subproblem 1
Set the factor '(-7 + -3x)' equal to zero and attempt to solve:

Simplifying
-7 + -3x = 0

Solving
-7 + -3x = 0

Move all terms containing x to the left, all other terms to the right.

Add '7' to each side of the equation.
-7 + 7 + -3x = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -3x = 0 + 7
-3x = 0 + 7

Combine like terms: 0 + 7 = 7
-3x = 7

Divide each side by '-3'.
x = -2.333333333

Simplifying
x = -2.333333333

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 = {-2.333333333, 1.125}

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