(2x+1)(x^2-9x-4)=

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Solution for (2x+1)(x^2-9x-4)= equation: 


Simplifying
(2x + 1)(x2 + -9x + -4) = 0

Reorder the terms:
(1 + 2x)(x2 + -9x + -4) = 0

Reorder the terms:
(1 + 2x)(-4 + -9x + x2) = 0

Multiply (1 + 2x) * (-4 + -9x + x2)
(1(-4 + -9x + x2) + 2x * (-4 + -9x + x2)) = 0
((-4 * 1 + -9x * 1 + x2 * 1) + 2x * (-4 + -9x + x2)) = 0
((-4 + -9x + 1x2) + 2x * (-4 + -9x + x2)) = 0
(-4 + -9x + 1x2 + (-4 * 2x + -9x * 2x + x2 * 2x)) = 0
(-4 + -9x + 1x2 + (-8x + -18x2 + 2x3)) = 0

Reorder the terms:
(-4 + -9x + -8x + 1x2 + -18x2 + 2x3) = 0

Combine like terms: -9x + -8x = -17x
(-4 + -17x + 1x2 + -18x2 + 2x3) = 0

Combine like terms: 1x2 + -18x2 = -17x2
(-4 + -17x + -17x2 + 2x3) = 0

Solving
-4 + -17x + -17x2 + 2x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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