(2x^2-x)(-2x^3-9x^2+7)=

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Solution for (2x^2-x)(-2x^3-9x^2+7)= equation: 


Simplifying
(2x2 + -1x)(-2x3 + -9x2 + 7) = 0

Reorder the terms:
(-1x + 2x2)(-2x3 + -9x2 + 7) = 0

Reorder the terms:
(-1x + 2x2)(7 + -9x2 + -2x3) = 0

Multiply (-1x + 2x2) * (7 + -9x2 + -2x3)
(-1x * (7 + -9x2 + -2x3) + 2x2 * (7 + -9x2 + -2x3)) = 0
((7 * -1x + -9x2 * -1x + -2x3 * -1x) + 2x2 * (7 + -9x2 + -2x3)) = 0
((-7x + 9x3 + 2x4) + 2x2 * (7 + -9x2 + -2x3)) = 0
(-7x + 9x3 + 2x4 + (7 * 2x2 + -9x2 * 2x2 + -2x3 * 2x2)) = 0
(-7x + 9x3 + 2x4 + (14x2 + -18x4 + -4x5)) = 0

Reorder the terms:
(-7x + 14x2 + 9x3 + 2x4 + -18x4 + -4x5) = 0

Combine like terms: 2x4 + -18x4 = -16x4
(-7x + 14x2 + 9x3 + -16x4 + -4x5) = 0

Solving
-7x + 14x2 + 9x3 + -16x4 + -4x5 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(-7 + 14x + 9x2 + -16x3 + -4x4) = 0


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 '(-7 + 14x + 9x2 + -16x3 + -4x4)' equal to zero and attempt to solve:

Simplifying
-7 + 14x + 9x2 + -16x3 + -4x4 = 0

Solving
-7 + 14x + 9x2 + -16x3 + -4x4 = 0

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.
Solution
x = {0}

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