(-7b^2-8b+2)(8b^2+5b+4)=0

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Solution for (-7b^2-8b+2)(8b^2+5b+4)=0 equation:


Simplifying
(-7b2 + -8b + 2)(8b2 + 5b + 4) = 0

Reorder the terms:
(2 + -8b + -7b2)(8b2 + 5b + 4) = 0

Reorder the terms:
(2 + -8b + -7b2)(4 + 5b + 8b2) = 0

Multiply (2 + -8b + -7b2) * (4 + 5b + 8b2)
(2(4 + 5b + 8b2) + -8b * (4 + 5b + 8b2) + -7b2 * (4 + 5b + 8b2)) = 0
((4 * 2 + 5b * 2 + 8b2 * 2) + -8b * (4 + 5b + 8b2) + -7b2 * (4 + 5b + 8b2)) = 0
((8 + 10b + 16b2) + -8b * (4 + 5b + 8b2) + -7b2 * (4 + 5b + 8b2)) = 0
(8 + 10b + 16b2 + (4 * -8b + 5b * -8b + 8b2 * -8b) + -7b2 * (4 + 5b + 8b2)) = 0
(8 + 10b + 16b2 + (-32b + -40b2 + -64b3) + -7b2 * (4 + 5b + 8b2)) = 0
(8 + 10b + 16b2 + -32b + -40b2 + -64b3 + (4 * -7b2 + 5b * -7b2 + 8b2 * -7b2)) = 0
(8 + 10b + 16b2 + -32b + -40b2 + -64b3 + (-28b2 + -35b3 + -56b4)) = 0

Reorder the terms:
(8 + 10b + -32b + 16b2 + -40b2 + -28b2 + -64b3 + -35b3 + -56b4) = 0

Combine like terms: 10b + -32b = -22b
(8 + -22b + 16b2 + -40b2 + -28b2 + -64b3 + -35b3 + -56b4) = 0

Combine like terms: 16b2 + -40b2 = -24b2
(8 + -22b + -24b2 + -28b2 + -64b3 + -35b3 + -56b4) = 0

Combine like terms: -24b2 + -28b2 = -52b2
(8 + -22b + -52b2 + -64b3 + -35b3 + -56b4) = 0

Combine like terms: -64b3 + -35b3 = -99b3
(8 + -22b + -52b2 + -99b3 + -56b4) = 0

Solving
8 + -22b + -52b2 + -99b3 + -56b4 = 0

Solving for variable 'b'.

The solution to this equation could not be determined.

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