3x^2-2=2x^2+6x-7

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Solution for 3x^2-2=2x^2+6x-7 equation:


Simplifying
3x2 + -2 = 2x2 + 6x + -7

Reorder the terms:
-2 + 3x2 = 2x2 + 6x + -7

Reorder the terms:
-2 + 3x2 = -7 + 6x + 2x2

Solving
-2 + 3x2 = -7 + 6x + 2x2

Solving for variable 'x'.

Reorder the terms:
-2 + 7 + -6x + 3x2 + -2x2 = -7 + 6x + 2x2 + 7 + -6x + -2x2

Combine like terms: -2 + 7 = 5
5 + -6x + 3x2 + -2x2 = -7 + 6x + 2x2 + 7 + -6x + -2x2

Combine like terms: 3x2 + -2x2 = 1x2
5 + -6x + 1x2 = -7 + 6x + 2x2 + 7 + -6x + -2x2

Reorder the terms:
5 + -6x + 1x2 = -7 + 7 + 6x + -6x + 2x2 + -2x2

Combine like terms: -7 + 7 = 0
5 + -6x + 1x2 = 0 + 6x + -6x + 2x2 + -2x2
5 + -6x + 1x2 = 6x + -6x + 2x2 + -2x2

Combine like terms: 6x + -6x = 0
5 + -6x + 1x2 = 0 + 2x2 + -2x2
5 + -6x + 1x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
5 + -6x + 1x2 = 0

Factor a trinomial.
(1 + -1x)(5 + -1x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Solution

x = {1, 5}

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