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

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


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

Remove parenthesis around (8x)
8x(-4x + 9) = 0

Reorder the terms:
8x(9 + -4x) = 0
(9 * 8x + -4x * 8x) = 0
(72x + -32x2) = 0

Solving
72x + -32x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '8x'.
8x(9 + -4x) = 0

Ignore the factor 8.

Subproblem 1
Set the factor 'x' equal to zero and attempt to solve:

Simplifying
x = 0

Solving
x = 0

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

Simplifying
x = 0

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, 2.25}

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