x*x+2x=195

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Solution for x*x+2x=195 equation:


Simplifying
x * x + 2x = 195

Multiply x * x
x2 + 2x = 195

Reorder the terms:
2x + x2 = 195

Solving
2x + x2 = 195

Solving for variable 'x'.

Reorder the terms:
-195 + 2x + x2 = 195 + -195

Combine like terms: 195 + -195 = 0
-195 + 2x + x2 = 0

Factor a trinomial.
(-15 + -1x)(13 + -1x) = 0

Subproblem 1

Set the factor '(-15 + -1x)' equal to zero and attempt to solve: Simplifying -15 + -1x = 0 Solving -15 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '15' to each side of the equation. -15 + 15 + -1x = 0 + 15 Combine like terms: -15 + 15 = 0 0 + -1x = 0 + 15 -1x = 0 + 15 Combine like terms: 0 + 15 = 15 -1x = 15 Divide each side by '-1'. x = -15 Simplifying x = -15

Subproblem 2

Set the factor '(13 + -1x)' equal to zero and attempt to solve: Simplifying 13 + -1x = 0 Solving 13 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-13' to each side of the equation. 13 + -13 + -1x = 0 + -13 Combine like terms: 13 + -13 = 0 0 + -1x = 0 + -13 -1x = 0 + -13 Combine like terms: 0 + -13 = -13 -1x = -13 Divide each side by '-1'. x = 13 Simplifying x = 13

Solution

x = {-15, 13}

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