6x^2+84=-54x

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Solution for 6x^2+84=-54x equation:


Simplifying
6x2 + 84 = -54x

Reorder the terms:
84 + 6x2 = -54x

Solving
84 + 6x2 = -54x

Solving for variable 'x'.

Reorder the terms:
84 + 54x + 6x2 = -54x + 54x

Combine like terms: -54x + 54x = 0
84 + 54x + 6x2 = 0

Factor out the Greatest Common Factor (GCF), '6'.
6(14 + 9x + x2) = 0

Factor a trinomial.
6((7 + x)(2 + x)) = 0

Ignore the factor 6.

Subproblem 1

Set the factor '(7 + x)' equal to zero and attempt to solve: Simplifying 7 + x = 0 Solving 7 + x = 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 + x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + x = 0 + -7 x = 0 + -7 Combine like terms: 0 + -7 = -7 x = -7 Simplifying x = -7

Subproblem 2

Set the factor '(2 + x)' equal to zero and attempt to solve: Simplifying 2 + x = 0 Solving 2 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x = 0 + -2 x = 0 + -2 Combine like terms: 0 + -2 = -2 x = -2 Simplifying x = -2

Solution

x = {-7, -2}

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