x^3+27=(x+3)(x^2-3x+9)

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Solution for x^3+27=(x+3)(x^2-3x+9) equation:


Simplifying
x3 + 27 = (x + 3)(x2 + -3x + 9)

Reorder the terms:
27 + x3 = (x + 3)(x2 + -3x + 9)

Reorder the terms:
27 + x3 = (3 + x)(x2 + -3x + 9)

Reorder the terms:
27 + x3 = (3 + x)(9 + -3x + x2)

Multiply (3 + x) * (9 + -3x + x2)
27 + x3 = (3(9 + -3x + x2) + x(9 + -3x + x2))
27 + x3 = ((9 * 3 + -3x * 3 + x2 * 3) + x(9 + -3x + x2))
27 + x3 = ((27 + -9x + 3x2) + x(9 + -3x + x2))
27 + x3 = (27 + -9x + 3x2 + (9 * x + -3x * x + x2 * x))
27 + x3 = (27 + -9x + 3x2 + (9x + -3x2 + x3))

Reorder the terms:
27 + x3 = (27 + -9x + 9x + 3x2 + -3x2 + x3)

Combine like terms: -9x + 9x = 0
27 + x3 = (27 + 0 + 3x2 + -3x2 + x3)
27 + x3 = (27 + 3x2 + -3x2 + x3)

Combine like terms: 3x2 + -3x2 = 0
27 + x3 = (27 + 0 + x3)
27 + x3 = (27 + x3)

Add '-27' to each side of the equation.
27 + -27 + x3 = 27 + -27 + x3

Combine like terms: 27 + -27 = 0
0 + x3 = 27 + -27 + x3
x3 = 27 + -27 + x3

Combine like terms: 27 + -27 = 0
x3 = 0 + x3
x3 = x3

Add '-1x3' to each side of the equation.
x3 + -1x3 = x3 + -1x3

Combine like terms: x3 + -1x3 = 0
0 = x3 + -1x3

Combine like terms: x3 + -1x3 = 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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