54=x(x-3)

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Solution for 54=x(x-3) equation:


Simplifying
54 = x(x + -3)

Reorder the terms:
54 = x(-3 + x)
54 = (-3 * x + x * x)
54 = (-3x + x2)

Solving
54 = -3x + x2

Solving for variable 'x'.

Reorder the terms:
54 + 3x + -1x2 = -3x + 3x + x2 + -1x2

Combine like terms: -3x + 3x = 0
54 + 3x + -1x2 = 0 + x2 + -1x2
54 + 3x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
54 + 3x + -1x2 = 0

Factor a trinomial.
(9 + -1x)(6 + x) = 0

Subproblem 1

Set the factor '(9 + -1x)' equal to zero and attempt to solve: Simplifying 9 + -1x = 0 Solving 9 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1x = 0 + -9 -1x = 0 + -9 Combine like terms: 0 + -9 = -9 -1x = -9 Divide each side by '-1'. x = 9 Simplifying x = 9

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 = {9, -6}

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