x^2-2x+x^2+10x=3x^2+12

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Solution for x^2-2x+x^2+10x=3x^2+12 equation:


Simplifying
x2 + -2x + x2 + 10x = 3x2 + 12

Reorder the terms:
-2x + 10x + x2 + x2 = 3x2 + 12

Combine like terms: -2x + 10x = 8x
8x + x2 + x2 = 3x2 + 12

Combine like terms: x2 + x2 = 2x2
8x + 2x2 = 3x2 + 12

Reorder the terms:
8x + 2x2 = 12 + 3x2

Solving
8x + 2x2 = 12 + 3x2

Solving for variable 'x'.

Reorder the terms:
-12 + 8x + 2x2 + -3x2 = 12 + 3x2 + -12 + -3x2

Combine like terms: 2x2 + -3x2 = -1x2
-12 + 8x + -1x2 = 12 + 3x2 + -12 + -3x2

Reorder the terms:
-12 + 8x + -1x2 = 12 + -12 + 3x2 + -3x2

Combine like terms: 12 + -12 = 0
-12 + 8x + -1x2 = 0 + 3x2 + -3x2
-12 + 8x + -1x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
-12 + 8x + -1x2 = 0

Factor a trinomial.
(-6 + x)(2 + -1x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Solution

x = {6, 2}

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