(7x^3-4x^2+3x+7)(8x+7)=0

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Solution for (7x^3-4x^2+3x+7)(8x+7)=0 equation: 


Simplifying
(7x3 + -4x2 + 3x + 7)(8x + 7) = 0

Reorder the terms:
(7 + 3x + -4x2 + 7x3)(8x + 7) = 0

Reorder the terms:
(7 + 3x + -4x2 + 7x3)(7 + 8x) = 0

Multiply (7 + 3x + -4x2 + 7x3) * (7 + 8x)
(7(7 + 8x) + 3x * (7 + 8x) + -4x2 * (7 + 8x) + 7x3 * (7 + 8x)) = 0
((7 * 7 + 8x * 7) + 3x * (7 + 8x) + -4x2 * (7 + 8x) + 7x3 * (7 + 8x)) = 0
((49 + 56x) + 3x * (7 + 8x) + -4x2 * (7 + 8x) + 7x3 * (7 + 8x)) = 0
(49 + 56x + (7 * 3x + 8x * 3x) + -4x2 * (7 + 8x) + 7x3 * (7 + 8x)) = 0
(49 + 56x + (21x + 24x2) + -4x2 * (7 + 8x) + 7x3 * (7 + 8x)) = 0
(49 + 56x + 21x + 24x2 + (7 * -4x2 + 8x * -4x2) + 7x3 * (7 + 8x)) = 0
(49 + 56x + 21x + 24x2 + (-28x2 + -32x3) + 7x3 * (7 + 8x)) = 0
(49 + 56x + 21x + 24x2 + -28x2 + -32x3 + (7 * 7x3 + 8x * 7x3)) = 0
(49 + 56x + 21x + 24x2 + -28x2 + -32x3 + (49x3 + 56x4)) = 0

Combine like terms: 56x + 21x = 77x
(49 + 77x + 24x2 + -28x2 + -32x3 + 49x3 + 56x4) = 0

Combine like terms: 24x2 + -28x2 = -4x2
(49 + 77x + -4x2 + -32x3 + 49x3 + 56x4) = 0

Combine like terms: -32x3 + 49x3 = 17x3
(49 + 77x + -4x2 + 17x3 + 56x4) = 0

Solving
49 + 77x + -4x2 + 17x3 + 56x4 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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