(4x^3+6x^2+5x-1)(7x^3+5x^2-8x-4)=

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Solution for (4x^3+6x^2+5x-1)(7x^3+5x^2-8x-4)= equation: 


Simplifying
(4x3 + 6x2 + 5x + -1)(7x3 + 5x2 + -8x + -4) = 0

Reorder the terms:
(-1 + 5x + 6x2 + 4x3)(7x3 + 5x2 + -8x + -4) = 0

Reorder the terms:
(-1 + 5x + 6x2 + 4x3)(-4 + -8x + 5x2 + 7x3) = 0

Multiply (-1 + 5x + 6x2 + 4x3) * (-4 + -8x + 5x2 + 7x3)
(-1(-4 + -8x + 5x2 + 7x3) + 5x * (-4 + -8x + 5x2 + 7x3) + 6x2 * (-4 + -8x + 5x2 + 7x3) + 4x3 * (-4 + -8x + 5x2 + 7x3)) = 0
((-4 * -1 + -8x * -1 + 5x2 * -1 + 7x3 * -1) + 5x * (-4 + -8x + 5x2 + 7x3) + 6x2 * (-4 + -8x + 5x2 + 7x3) + 4x3 * (-4 + -8x + 5x2 + 7x3)) = 0
((4 + 8x + -5x2 + -7x3) + 5x * (-4 + -8x + 5x2 + 7x3) + 6x2 * (-4 + -8x + 5x2 + 7x3) + 4x3 * (-4 + -8x + 5x2 + 7x3)) = 0
(4 + 8x + -5x2 + -7x3 + (-4 * 5x + -8x * 5x + 5x2 * 5x + 7x3 * 5x) + 6x2 * (-4 + -8x + 5x2 + 7x3) + 4x3 * (-4 + -8x + 5x2 + 7x3)) = 0
(4 + 8x + -5x2 + -7x3 + (-20x + -40x2 + 25x3 + 35x4) + 6x2 * (-4 + -8x + 5x2 + 7x3) + 4x3 * (-4 + -8x + 5x2 + 7x3)) = 0
(4 + 8x + -5x2 + -7x3 + -20x + -40x2 + 25x3 + 35x4 + (-4 * 6x2 + -8x * 6x2 + 5x2 * 6x2 + 7x3 * 6x2) + 4x3 * (-4 + -8x + 5x2 + 7x3)) = 0
(4 + 8x + -5x2 + -7x3 + -20x + -40x2 + 25x3 + 35x4 + (-24x2 + -48x3 + 30x4 + 42x5) + 4x3 * (-4 + -8x + 5x2 + 7x3)) = 0
(4 + 8x + -5x2 + -7x3 + -20x + -40x2 + 25x3 + 35x4 + -24x2 + -48x3 + 30x4 + 42x5 + (-4 * 4x3 + -8x * 4x3 + 5x2 * 4x3 + 7x3 * 4x3)) = 0
(4 + 8x + -5x2 + -7x3 + -20x + -40x2 + 25x3 + 35x4 + -24x2 + -48x3 + 30x4 + 42x5 + (-16x3 + -32x4 + 20x5 + 28x6)) = 0

Reorder the terms:
(4 + 8x + -20x + -5x2 + -40x2 + -24x2 + -7x3 + 25x3 + -48x3 + -16x3 + 35x4 + 30x4 + -32x4 + 42x5 + 20x5 + 28x6) = 0

Combine like terms: 8x + -20x = -12x
(4 + -12x + -5x2 + -40x2 + -24x2 + -7x3 + 25x3 + -48x3 + -16x3 + 35x4 + 30x4 + -32x4 + 42x5 + 20x5 + 28x6) = 0

Combine like terms: -5x2 + -40x2 = -45x2
(4 + -12x + -45x2 + -24x2 + -7x3 + 25x3 + -48x3 + -16x3 + 35x4 + 30x4 + -32x4 + 42x5 + 20x5 + 28x6) = 0

Combine like terms: -45x2 + -24x2 = -69x2
(4 + -12x + -69x2 + -7x3 + 25x3 + -48x3 + -16x3 + 35x4 + 30x4 + -32x4 + 42x5 + 20x5 + 28x6) = 0

Combine like terms: -7x3 + 25x3 = 18x3
(4 + -12x + -69x2 + 18x3 + -48x3 + -16x3 + 35x4 + 30x4 + -32x4 + 42x5 + 20x5 + 28x6) = 0

Combine like terms: 18x3 + -48x3 = -30x3
(4 + -12x + -69x2 + -30x3 + -16x3 + 35x4 + 30x4 + -32x4 + 42x5 + 20x5 + 28x6) = 0

Combine like terms: -30x3 + -16x3 = -46x3
(4 + -12x + -69x2 + -46x3 + 35x4 + 30x4 + -32x4 + 42x5 + 20x5 + 28x6) = 0

Combine like terms: 35x4 + 30x4 = 65x4
(4 + -12x + -69x2 + -46x3 + 65x4 + -32x4 + 42x5 + 20x5 + 28x6) = 0

Combine like terms: 65x4 + -32x4 = 33x4
(4 + -12x + -69x2 + -46x3 + 33x4 + 42x5 + 20x5 + 28x6) = 0

Combine like terms: 42x5 + 20x5 = 62x5
(4 + -12x + -69x2 + -46x3 + 33x4 + 62x5 + 28x6) = 0

Solving
4 + -12x + -69x2 + -46x3 + 33x4 + 62x5 + 28x6 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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