x^3+x^2=42x

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Solution for x^3+x^2=42x equation:


Simplifying
x3 + x2 = 42x

Reorder the terms:
x2 + x3 = 42x

Solving
x2 + x3 = 42x

Solving for variable 'x'.

Reorder the terms:
-42x + x2 + x3 = 42x + -42x

Combine like terms: 42x + -42x = 0
-42x + x2 + x3 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(-42 + x + x2) = 0

Factor a trinomial.
x((-7 + -1x)(6 + -1x)) = 0

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(-7 + -1x)' equal to zero and attempt to solve: Simplifying -7 + -1x = 0 Solving -7 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -1x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -1x = 0 + 7 -1x = 0 + 7 Combine like terms: 0 + 7 = 7 -1x = 7 Divide each side by '-1'. x = -7 Simplifying x = -7

Subproblem 3

Set the factor '(6 + -1x)' equal to zero and attempt to solve: Simplifying 6 + -1x = 0 Solving 6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1x = 0 + -6 -1x = 0 + -6 Combine like terms: 0 + -6 = -6 -1x = -6 Divide each side by '-1'. x = 6 Simplifying x = 6

Solution

x = {0, -7, 6}

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