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

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Solution for (8x-7)(3x+3)=0 equation: 


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

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

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

Multiply (-7 + 8x) * (3 + 3x)
(-7(3 + 3x) + 8x * (3 + 3x)) = 0
((3 * -7 + 3x * -7) + 8x * (3 + 3x)) = 0
((-21 + -21x) + 8x * (3 + 3x)) = 0
(-21 + -21x + (3 * 8x + 3x * 8x)) = 0
(-21 + -21x + (24x + 24x2)) = 0

Combine like terms: -21x + 24x = 3x
(-21 + 3x + 24x2) = 0

Solving
-21 + 3x + 24x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(-7 + x + 8x2) = 0

Factor a trinomial.
3((-1 + -1x)(7 + -8x)) = 0

Ignore the factor 3.

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

Simplifying
-1 + -1x = 0

Solving
-1 + -1x = 0

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

Add '1' to each side of the equation.
-1 + 1 + -1x = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -1x = 0 + 1
-1x = 0 + 1

Combine like terms: 0 + 1 = 1
-1x = 1

Divide each side by '-1'.
x = -1

Simplifying
x = -1

Subproblem 2
Set the factor '(7 + -8x)' equal to zero and attempt to solve:

Simplifying
7 + -8x = 0

Solving
7 + -8x = 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 + -8x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -8x = 0 + -7
-8x = 0 + -7

Combine like terms: 0 + -7 = -7
-8x = -7

Divide each side by '-8'.
x = 0.875

Simplifying
x = 0.875
Solution
x = {-1, 0.875}

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