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((2 + -1x)(7 + -1x)) = 0

Ignore the factor 6.

Subproblem 1

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 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 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

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

Solution

x = {2, 7}

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