2x-5=x^2-68

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Solution for 2x-5=x^2-68 equation:


Simplifying
2x + -5 = x2 + -68

Reorder the terms:
-5 + 2x = x2 + -68

Reorder the terms:
-5 + 2x = -68 + x2

Solving
-5 + 2x = -68 + x2

Solving for variable 'x'.

Reorder the terms:
-5 + 68 + 2x + -1x2 = -68 + x2 + 68 + -1x2

Combine like terms: -5 + 68 = 63
63 + 2x + -1x2 = -68 + x2 + 68 + -1x2

Reorder the terms:
63 + 2x + -1x2 = -68 + 68 + x2 + -1x2

Combine like terms: -68 + 68 = 0
63 + 2x + -1x2 = 0 + x2 + -1x2
63 + 2x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
63 + 2x + -1x2 = 0

Factor a trinomial.
(9 + -1x)(7 + 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 '(7 + x)' equal to zero and attempt to solve: Simplifying 7 + x = 0 Solving 7 + x = 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 + x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + x = 0 + -7 x = 0 + -7 Combine like terms: 0 + -7 = -7 x = -7 Simplifying x = -7

Solution

x = {9, -7}

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