[x]=x^2+7x

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Solution for [x]=x^2+7x equation:


Simplifying
[x] = x2 + 7x
x = x2 + 7x

Reorder the terms:
x = 7x + x2

Solving
x = 7x + x2

Solving for variable 'x'.

Combine like terms: x + -7x = -6x
-6x + -1x2 = 7x + x2 + -7x + -1x2

Reorder the terms:
-6x + -1x2 = 7x + -7x + x2 + -1x2

Combine like terms: 7x + -7x = 0
-6x + -1x2 = 0 + x2 + -1x2
-6x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-6x + -1x2 = 0

Factor out the Greatest Common Factor (GCF), '-1x'.
-1x(6 + x) = 0

Ignore the factor -1.

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 '(6 + x)' equal to zero and attempt to solve: Simplifying 6 + x = 0 Solving 6 + x = 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 + x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + x = 0 + -6 x = 0 + -6 Combine like terms: 0 + -6 = -6 x = -6 Simplifying x = -6

Solution

x = {0, -6}

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