(5x^2-4x^2+6x+8)(9x+7)=

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Solution for (5x^2-4x^2+6x+8)(9x+7)= equation: 


Simplifying
(5x2 + -4x2 + 6x + 8)(9x + 7) = 0

Reorder the terms:
(8 + 6x + 5x2 + -4x2)(9x + 7) = 0

Combine like terms: 5x2 + -4x2 = 1x2
(8 + 6x + 1x2)(9x + 7) = 0

Reorder the terms:
(8 + 6x + 1x2)(7 + 9x) = 0

Multiply (8 + 6x + 1x2) * (7 + 9x)
(8(7 + 9x) + 6x * (7 + 9x) + 1x2 * (7 + 9x)) = 0
((7 * 8 + 9x * 8) + 6x * (7 + 9x) + 1x2 * (7 + 9x)) = 0
((56 + 72x) + 6x * (7 + 9x) + 1x2 * (7 + 9x)) = 0
(56 + 72x + (7 * 6x + 9x * 6x) + 1x2 * (7 + 9x)) = 0
(56 + 72x + (42x + 54x2) + 1x2 * (7 + 9x)) = 0
(56 + 72x + 42x + 54x2 + (7 * 1x2 + 9x * 1x2)) = 0
(56 + 72x + 42x + 54x2 + (7x2 + 9x3)) = 0

Combine like terms: 72x + 42x = 114x
(56 + 114x + 54x2 + 7x2 + 9x3) = 0

Combine like terms: 54x2 + 7x2 = 61x2
(56 + 114x + 61x2 + 9x3) = 0

Solving
56 + 114x + 61x2 + 9x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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