-x^2+57x=540

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Solution for -x^2+57x=540 equation:


Simplifying
-1x2 + 57x = 540

Reorder the terms:
57x + -1x2 = 540

Solving
57x + -1x2 = 540

Solving for variable 'x'.

Reorder the terms:
-540 + 57x + -1x2 = 540 + -540

Combine like terms: 540 + -540 = 0
-540 + 57x + -1x2 = 0

Factor a trinomial.
(-45 + x)(12 + -1x) = 0

Subproblem 1

Set the factor '(-45 + x)' equal to zero and attempt to solve: Simplifying -45 + x = 0 Solving -45 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '45' to each side of the equation. -45 + 45 + x = 0 + 45 Combine like terms: -45 + 45 = 0 0 + x = 0 + 45 x = 0 + 45 Combine like terms: 0 + 45 = 45 x = 45 Simplifying x = 45

Subproblem 2

Set the factor '(12 + -1x)' equal to zero and attempt to solve: Simplifying 12 + -1x = 0 Solving 12 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + -1x = 0 + -12 Combine like terms: 12 + -12 = 0 0 + -1x = 0 + -12 -1x = 0 + -12 Combine like terms: 0 + -12 = -12 -1x = -12 Divide each side by '-1'. x = 12 Simplifying x = 12

Solution

x = {45, 12}

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