2x+2x+5+x^2+3=85

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Solution for 2x+2x+5+x^2+3=85 equation:


Simplifying
2x + 2x + 5 + x2 + 3 = 85

Reorder the terms:
5 + 3 + 2x + 2x + x2 = 85

Combine like terms: 5 + 3 = 8
8 + 2x + 2x + x2 = 85

Combine like terms: 2x + 2x = 4x
8 + 4x + x2 = 85

Solving
8 + 4x + x2 = 85

Solving for variable 'x'.

Reorder the terms:
8 + -85 + 4x + x2 = 85 + -85

Combine like terms: 8 + -85 = -77
-77 + 4x + x2 = 85 + -85

Combine like terms: 85 + -85 = 0
-77 + 4x + x2 = 0

Factor a trinomial.
(-11 + -1x)(7 + -1x) = 0

Subproblem 1

Set the factor '(-11 + -1x)' equal to zero and attempt to solve: Simplifying -11 + -1x = 0 Solving -11 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '11' to each side of the equation. -11 + 11 + -1x = 0 + 11 Combine like terms: -11 + 11 = 0 0 + -1x = 0 + 11 -1x = 0 + 11 Combine like terms: 0 + 11 = 11 -1x = 11 Divide each side by '-1'. x = -11 Simplifying x = -11

Subproblem 2

Set the factor '(7 + -1x)' equal to zero and attempt to solve: Simplifying 7 + -1x = 0 Solving 7 + -1x = 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 + -1x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1x = 0 + -7 -1x = 0 + -7 Combine like terms: 0 + -7 = -7 -1x = -7 Divide each side by '-1'. x = 7 Simplifying x = 7

Solution

x = {-11, 7}

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