(4x^2-9x-7)(5x+9)=

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Solution for (4x^2-9x-7)(5x+9)= equation: 


Simplifying
(4x2 + -9x + -7)(5x + 9) = 0

Reorder the terms:
(-7 + -9x + 4x2)(5x + 9) = 0

Reorder the terms:
(-7 + -9x + 4x2)(9 + 5x) = 0

Multiply (-7 + -9x + 4x2) * (9 + 5x)
(-7(9 + 5x) + -9x * (9 + 5x) + 4x2 * (9 + 5x)) = 0
((9 * -7 + 5x * -7) + -9x * (9 + 5x) + 4x2 * (9 + 5x)) = 0
((-63 + -35x) + -9x * (9 + 5x) + 4x2 * (9 + 5x)) = 0
(-63 + -35x + (9 * -9x + 5x * -9x) + 4x2 * (9 + 5x)) = 0
(-63 + -35x + (-81x + -45x2) + 4x2 * (9 + 5x)) = 0
(-63 + -35x + -81x + -45x2 + (9 * 4x2 + 5x * 4x2)) = 0
(-63 + -35x + -81x + -45x2 + (36x2 + 20x3)) = 0

Combine like terms: -35x + -81x = -116x
(-63 + -116x + -45x2 + 36x2 + 20x3) = 0

Combine like terms: -45x2 + 36x2 = -9x2
(-63 + -116x + -9x2 + 20x3) = 0

Solving
-63 + -116x + -9x2 + 20x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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