x^2=17x+-72

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Solution for x^2=17x+-72 equation:


Simplifying
x2 = 17x + -72

Reorder the terms:
x2 = -72 + 17x

Solving
x2 = -72 + 17x

Solving for variable 'x'.

Reorder the terms:
72 + -17x + x2 = -72 + 17x + 72 + -17x

Reorder the terms:
72 + -17x + x2 = -72 + 72 + 17x + -17x

Combine like terms: -72 + 72 = 0
72 + -17x + x2 = 0 + 17x + -17x
72 + -17x + x2 = 17x + -17x

Combine like terms: 17x + -17x = 0
72 + -17x + x2 = 0

Factor a trinomial.
(8 + -1x)(9 + -1x) = 0

Subproblem 1

Set the factor '(8 + -1x)' equal to zero and attempt to solve: Simplifying 8 + -1x = 0 Solving 8 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1x = 0 + -8 -1x = 0 + -8 Combine like terms: 0 + -8 = -8 -1x = -8 Divide each side by '-1'. x = 8 Simplifying x = 8

Subproblem 2

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

Solution

x = {8, 9}

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