(9x^2-4x-5)(-4x+1)=

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Solution for (9x^2-4x-5)(-4x+1)= equation: 


Simplifying
(9x2 + -4x + -5)(-4x + 1) = 0

Reorder the terms:
(-5 + -4x + 9x2)(-4x + 1) = 0

Reorder the terms:
(-5 + -4x + 9x2)(1 + -4x) = 0

Multiply (-5 + -4x + 9x2) * (1 + -4x)
(-5(1 + -4x) + -4x * (1 + -4x) + 9x2 * (1 + -4x)) = 0
((1 * -5 + -4x * -5) + -4x * (1 + -4x) + 9x2 * (1 + -4x)) = 0
((-5 + 20x) + -4x * (1 + -4x) + 9x2 * (1 + -4x)) = 0
(-5 + 20x + (1 * -4x + -4x * -4x) + 9x2 * (1 + -4x)) = 0
(-5 + 20x + (-4x + 16x2) + 9x2 * (1 + -4x)) = 0
(-5 + 20x + -4x + 16x2 + (1 * 9x2 + -4x * 9x2)) = 0
(-5 + 20x + -4x + 16x2 + (9x2 + -36x3)) = 0

Combine like terms: 20x + -4x = 16x
(-5 + 16x + 16x2 + 9x2 + -36x3) = 0

Combine like terms: 16x2 + 9x2 = 25x2
(-5 + 16x + 25x2 + -36x3) = 0

Solving
-5 + 16x + 25x2 + -36x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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