3x^2-51x=54

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Solution for 3x^2-51x=54 equation:


Simplifying
3x2 + -51x = 54

Reorder the terms:
-51x + 3x2 = 54

Solving
-51x + 3x2 = 54

Solving for variable 'x'.

Reorder the terms:
-54 + -51x + 3x2 = 54 + -54

Combine like terms: 54 + -54 = 0
-54 + -51x + 3x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-18 + -17x + x2) = 0

Factor a trinomial.
3((-1 + -1x)(18 + -1x)) = 0

Ignore the factor 3.

Subproblem 1

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

Subproblem 2

Set the factor '(18 + -1x)' equal to zero and attempt to solve: Simplifying 18 + -1x = 0 Solving 18 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-18' to each side of the equation. 18 + -18 + -1x = 0 + -18 Combine like terms: 18 + -18 = 0 0 + -1x = 0 + -18 -1x = 0 + -18 Combine like terms: 0 + -18 = -18 -1x = -18 Divide each side by '-1'. x = 18 Simplifying x = 18

Solution

x = {-1, 18}

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