4x^2+13x-9=2x^2-2

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Solution for 4x^2+13x-9=2x^2-2 equation:


Simplifying
4x2 + 13x + -9 = 2x2 + -2

Reorder the terms:
-9 + 13x + 4x2 = 2x2 + -2

Reorder the terms:
-9 + 13x + 4x2 = -2 + 2x2

Solving
-9 + 13x + 4x2 = -2 + 2x2

Solving for variable 'x'.

Reorder the terms:
-9 + 2 + 13x + 4x2 + -2x2 = -2 + 2x2 + 2 + -2x2

Combine like terms: -9 + 2 = -7
-7 + 13x + 4x2 + -2x2 = -2 + 2x2 + 2 + -2x2

Combine like terms: 4x2 + -2x2 = 2x2
-7 + 13x + 2x2 = -2 + 2x2 + 2 + -2x2

Reorder the terms:
-7 + 13x + 2x2 = -2 + 2 + 2x2 + -2x2

Combine like terms: -2 + 2 = 0
-7 + 13x + 2x2 = 0 + 2x2 + -2x2
-7 + 13x + 2x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-7 + 13x + 2x2 = 0

Factor a trinomial.
(-7 + -1x)(1 + -2x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(1 + -2x)' equal to zero and attempt to solve: Simplifying 1 + -2x = 0 Solving 1 + -2x = 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 + -2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2x = 0 + -1 -2x = 0 + -1 Combine like terms: 0 + -1 = -1 -2x = -1 Divide each side by '-2'. x = 0.5 Simplifying x = 0.5

Solution

x = {-7, 0.5}

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