(2x^2+3x-5)+(x^2+11x-7)=180

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Solution for (2x^2+3x-5)+(x^2+11x-7)=180 equation:


Simplifying
(2x2 + 3x + -5) + (x2 + 11x + -7) = 180

Reorder the terms:
(-5 + 3x + 2x2) + (x2 + 11x + -7) = 180

Remove parenthesis around (-5 + 3x + 2x2)
-5 + 3x + 2x2 + (x2 + 11x + -7) = 180

Reorder the terms:
-5 + 3x + 2x2 + (-7 + 11x + x2) = 180

Remove parenthesis around (-7 + 11x + x2)
-5 + 3x + 2x2 + -7 + 11x + x2 = 180

Reorder the terms:
-5 + -7 + 3x + 11x + 2x2 + x2 = 180

Combine like terms: -5 + -7 = -12
-12 + 3x + 11x + 2x2 + x2 = 180

Combine like terms: 3x + 11x = 14x
-12 + 14x + 2x2 + x2 = 180

Combine like terms: 2x2 + x2 = 3x2
-12 + 14x + 3x2 = 180

Solving
-12 + 14x + 3x2 = 180

Solving for variable 'x'.

Reorder the terms:
-12 + -180 + 14x + 3x2 = 180 + -180

Combine like terms: -12 + -180 = -192
-192 + 14x + 3x2 = 180 + -180

Combine like terms: 180 + -180 = 0
-192 + 14x + 3x2 = 0

Factor a trinomial.
(-32 + -3x)(6 + -1x) = 0

Subproblem 1

Set the factor '(-32 + -3x)' equal to zero and attempt to solve: Simplifying -32 + -3x = 0 Solving -32 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '32' to each side of the equation. -32 + 32 + -3x = 0 + 32 Combine like terms: -32 + 32 = 0 0 + -3x = 0 + 32 -3x = 0 + 32 Combine like terms: 0 + 32 = 32 -3x = 32 Divide each side by '-3'. x = -10.66666667 Simplifying x = -10.66666667

Subproblem 2

Set the factor '(6 + -1x)' equal to zero and attempt to solve: Simplifying 6 + -1x = 0 Solving 6 + -1x = 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 + -1x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1x = 0 + -6 -1x = 0 + -6 Combine like terms: 0 + -6 = -6 -1x = -6 Divide each side by '-1'. x = 6 Simplifying x = 6

Solution

x = {-10.66666667, 6}

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