x^2+x^2-6x+5x-30=123

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Solution for x^2+x^2-6x+5x-30=123 equation:


Simplifying
x2 + x2 + -6x + 5x + -30 = 123

Reorder the terms:
-30 + -6x + 5x + x2 + x2 = 123

Combine like terms: -6x + 5x = -1x
-30 + -1x + x2 + x2 = 123

Combine like terms: x2 + x2 = 2x2
-30 + -1x + 2x2 = 123

Solving
-30 + -1x + 2x2 = 123

Solving for variable 'x'.

Reorder the terms:
-30 + -123 + -1x + 2x2 = 123 + -123

Combine like terms: -30 + -123 = -153
-153 + -1x + 2x2 = 123 + -123

Combine like terms: 123 + -123 = 0
-153 + -1x + 2x2 = 0

Factor a trinomial.
(-17 + -2x)(9 + -1x) = 0

Subproblem 1

Set the factor '(-17 + -2x)' equal to zero and attempt to solve: Simplifying -17 + -2x = 0 Solving -17 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '17' to each side of the equation. -17 + 17 + -2x = 0 + 17 Combine like terms: -17 + 17 = 0 0 + -2x = 0 + 17 -2x = 0 + 17 Combine like terms: 0 + 17 = 17 -2x = 17 Divide each side by '-2'. x = -8.5 Simplifying x = -8.5

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 = {-8.5, 9}

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