(8a+7)(2a^2+7a-9)=

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Solution for (8a+7)(2a^2+7a-9)= equation: 


Simplifying
(8a + 7)(2a2 + 7a + -9) = 0

Reorder the terms:
(7 + 8a)(2a2 + 7a + -9) = 0

Reorder the terms:
(7 + 8a)(-9 + 7a + 2a2) = 0

Multiply (7 + 8a) * (-9 + 7a + 2a2)
(7(-9 + 7a + 2a2) + 8a * (-9 + 7a + 2a2)) = 0
((-9 * 7 + 7a * 7 + 2a2 * 7) + 8a * (-9 + 7a + 2a2)) = 0
((-63 + 49a + 14a2) + 8a * (-9 + 7a + 2a2)) = 0
(-63 + 49a + 14a2 + (-9 * 8a + 7a * 8a + 2a2 * 8a)) = 0
(-63 + 49a + 14a2 + (-72a + 56a2 + 16a3)) = 0

Reorder the terms:
(-63 + 49a + -72a + 14a2 + 56a2 + 16a3) = 0

Combine like terms: 49a + -72a = -23a
(-63 + -23a + 14a2 + 56a2 + 16a3) = 0

Combine like terms: 14a2 + 56a2 = 70a2
(-63 + -23a + 70a2 + 16a3) = 0

Solving
-63 + -23a + 70a2 + 16a3 = 0

Solving for variable 'a'.

The solution to this equation could not be determined.

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