(-7x^2-8x+7)*(-5x^2+4x+2)=

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Solution for (-7x^2-8x+7)*(-5x^2+4x+2)= equation:


Simplifying
(-7x2 + -8x + 7)(-5x2 + 4x + 2) = 0

Reorder the terms:
(7 + -8x + -7x2)(-5x2 + 4x + 2) = 0

Reorder the terms:
(7 + -8x + -7x2)(2 + 4x + -5x2) = 0

Multiply (7 + -8x + -7x2) * (2 + 4x + -5x2)
(7(2 + 4x + -5x2) + -8x * (2 + 4x + -5x2) + -7x2 * (2 + 4x + -5x2)) = 0
((2 * 7 + 4x * 7 + -5x2 * 7) + -8x * (2 + 4x + -5x2) + -7x2 * (2 + 4x + -5x2)) = 0
((14 + 28x + -35x2) + -8x * (2 + 4x + -5x2) + -7x2 * (2 + 4x + -5x2)) = 0
(14 + 28x + -35x2 + (2 * -8x + 4x * -8x + -5x2 * -8x) + -7x2 * (2 + 4x + -5x2)) = 0
(14 + 28x + -35x2 + (-16x + -32x2 + 40x3) + -7x2 * (2 + 4x + -5x2)) = 0
(14 + 28x + -35x2 + -16x + -32x2 + 40x3 + (2 * -7x2 + 4x * -7x2 + -5x2 * -7x2)) = 0
(14 + 28x + -35x2 + -16x + -32x2 + 40x3 + (-14x2 + -28x3 + 35x4)) = 0

Reorder the terms:
(14 + 28x + -16x + -35x2 + -32x2 + -14x2 + 40x3 + -28x3 + 35x4) = 0

Combine like terms: 28x + -16x = 12x
(14 + 12x + -35x2 + -32x2 + -14x2 + 40x3 + -28x3 + 35x4) = 0

Combine like terms: -35x2 + -32x2 = -67x2
(14 + 12x + -67x2 + -14x2 + 40x3 + -28x3 + 35x4) = 0

Combine like terms: -67x2 + -14x2 = -81x2
(14 + 12x + -81x2 + 40x3 + -28x3 + 35x4) = 0

Combine like terms: 40x3 + -28x3 = 12x3
(14 + 12x + -81x2 + 12x3 + 35x4) = 0

Solving
14 + 12x + -81x2 + 12x3 + 35x4 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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