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

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


Simplifying
(2x + 1)(3x2 + -7x + -8) = x3 + -8x2

Reorder the terms:
(1 + 2x)(3x2 + -7x + -8) = x3 + -8x2

Reorder the terms:
(1 + 2x)(-8 + -7x + 3x2) = x3 + -8x2

Multiply (1 + 2x) * (-8 + -7x + 3x2)
(1(-8 + -7x + 3x2) + 2x * (-8 + -7x + 3x2)) = x3 + -8x2
((-8 * 1 + -7x * 1 + 3x2 * 1) + 2x * (-8 + -7x + 3x2)) = x3 + -8x2
((-8 + -7x + 3x2) + 2x * (-8 + -7x + 3x2)) = x3 + -8x2
(-8 + -7x + 3x2 + (-8 * 2x + -7x * 2x + 3x2 * 2x)) = x3 + -8x2
(-8 + -7x + 3x2 + (-16x + -14x2 + 6x3)) = x3 + -8x2

Reorder the terms:
(-8 + -7x + -16x + 3x2 + -14x2 + 6x3) = x3 + -8x2

Combine like terms: -7x + -16x = -23x
(-8 + -23x + 3x2 + -14x2 + 6x3) = x3 + -8x2

Combine like terms: 3x2 + -14x2 = -11x2
(-8 + -23x + -11x2 + 6x3) = x3 + -8x2

Reorder the terms:
-8 + -23x + -11x2 + 6x3 = -8x2 + x3

Solving
-8 + -23x + -11x2 + 6x3 = -8x2 + x3

Solving for variable 'x'.

Reorder the terms:
-8 + -23x + -11x2 + 8x2 + 6x3 + -1x3 = -8x2 + x3 + 8x2 + -1x3

Combine like terms: -11x2 + 8x2 = -3x2
-8 + -23x + -3x2 + 6x3 + -1x3 = -8x2 + x3 + 8x2 + -1x3

Combine like terms: 6x3 + -1x3 = 5x3
-8 + -23x + -3x2 + 5x3 = -8x2 + x3 + 8x2 + -1x3

Reorder the terms:
-8 + -23x + -3x2 + 5x3 = -8x2 + 8x2 + x3 + -1x3

Combine like terms: -8x2 + 8x2 = 0
-8 + -23x + -3x2 + 5x3 = 0 + x3 + -1x3
-8 + -23x + -3x2 + 5x3 = x3 + -1x3

Combine like terms: x3 + -1x3 = 0
-8 + -23x + -3x2 + 5x3 = 0

The solution to this equation could not be determined.

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