-2x(x+4x-9)=

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Solution for -2x(x+4x-9)= equation:


Simplifying
-2x(x + 4x + -9) = 0

Reorder the terms:
-2x(-9 + x + 4x) = 0

Combine like terms: x + 4x = 5x
-2x(-9 + 5x) = 0
(-9 * -2x + 5x * -2x) = 0
(18x + -10x2) = 0

Solving
18x + -10x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2x'.
2x(9 + -5x) = 0

Ignore the factor 2.

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 + -5x)' equal to zero and attempt to solve:

Simplifying
9 + -5x = 0

Solving
9 + -5x = 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 + -5x = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -5x = 0 + -9
-5x = 0 + -9

Combine like terms: 0 + -9 = -9
-5x = -9

Divide each side by '-5'.
x = 1.8

Simplifying
x = 1.8
Solution
x = {0, 1.8}

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