2x^3+11x^2+4x-5=(x+5)(2x^2+x-1)

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Solution for 2x^3+11x^2+4x-5=(x+5)(2x^2+x-1) equation:


Simplifying
2x3 + 11x2 + 4x + -5 = (x + 5)(2x2 + x + -1)

Reorder the terms:
-5 + 4x + 11x2 + 2x3 = (x + 5)(2x2 + x + -1)

Reorder the terms:
-5 + 4x + 11x2 + 2x3 = (5 + x)(2x2 + x + -1)

Reorder the terms:
-5 + 4x + 11x2 + 2x3 = (5 + x)(-1 + x + 2x2)

Multiply (5 + x) * (-1 + x + 2x2)
-5 + 4x + 11x2 + 2x3 = (5(-1 + x + 2x2) + x(-1 + x + 2x2))
-5 + 4x + 11x2 + 2x3 = ((-1 * 5 + x * 5 + 2x2 * 5) + x(-1 + x + 2x2))
-5 + 4x + 11x2 + 2x3 = ((-5 + 5x + 10x2) + x(-1 + x + 2x2))
-5 + 4x + 11x2 + 2x3 = (-5 + 5x + 10x2 + (-1 * x + x * x + 2x2 * x))
-5 + 4x + 11x2 + 2x3 = (-5 + 5x + 10x2 + (-1x + x2 + 2x3))

Reorder the terms:
-5 + 4x + 11x2 + 2x3 = (-5 + 5x + -1x + 10x2 + x2 + 2x3)

Combine like terms: 5x + -1x = 4x
-5 + 4x + 11x2 + 2x3 = (-5 + 4x + 10x2 + x2 + 2x3)

Combine like terms: 10x2 + x2 = 11x2
-5 + 4x + 11x2 + 2x3 = (-5 + 4x + 11x2 + 2x3)

Add '5' to each side of the equation.
-5 + 4x + 11x2 + 5 + 2x3 = -5 + 4x + 11x2 + 5 + 2x3

Reorder the terms:
-5 + 5 + 4x + 11x2 + 2x3 = -5 + 4x + 11x2 + 5 + 2x3

Combine like terms: -5 + 5 = 0
0 + 4x + 11x2 + 2x3 = -5 + 4x + 11x2 + 5 + 2x3
4x + 11x2 + 2x3 = -5 + 4x + 11x2 + 5 + 2x3

Reorder the terms:
4x + 11x2 + 2x3 = -5 + 5 + 4x + 11x2 + 2x3

Combine like terms: -5 + 5 = 0
4x + 11x2 + 2x3 = 0 + 4x + 11x2 + 2x3
4x + 11x2 + 2x3 = 4x + 11x2 + 2x3

Add '-4x' to each side of the equation.
4x + 11x2 + -4x + 2x3 = 4x + 11x2 + -4x + 2x3

Reorder the terms:
4x + -4x + 11x2 + 2x3 = 4x + 11x2 + -4x + 2x3

Combine like terms: 4x + -4x = 0
0 + 11x2 + 2x3 = 4x + 11x2 + -4x + 2x3
11x2 + 2x3 = 4x + 11x2 + -4x + 2x3

Reorder the terms:
11x2 + 2x3 = 4x + -4x + 11x2 + 2x3

Combine like terms: 4x + -4x = 0
11x2 + 2x3 = 0 + 11x2 + 2x3
11x2 + 2x3 = 11x2 + 2x3

Add '-11x2' to each side of the equation.
11x2 + -11x2 + 2x3 = 11x2 + -11x2 + 2x3

Combine like terms: 11x2 + -11x2 = 0
0 + 2x3 = 11x2 + -11x2 + 2x3
2x3 = 11x2 + -11x2 + 2x3

Combine like terms: 11x2 + -11x2 = 0
2x3 = 0 + 2x3
2x3 = 2x3

Add '-2x3' to each side of the equation.
2x3 + -2x3 = 2x3 + -2x3

Combine like terms: 2x3 + -2x3 = 0
0 = 2x3 + -2x3

Combine like terms: 2x3 + -2x3 = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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