(2x^2+x-3)+(7x-x^2)-(6x-4)=

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Solution for (2x^2+x-3)+(7x-x^2)-(6x-4)= equation:


Simplifying
(2x2 + x + -3) + (7x + -1x2) + -1(6x + -4) = 0

Reorder the terms:
(-3 + x + 2x2) + (7x + -1x2) + -1(6x + -4) = 0

Remove parenthesis around (-3 + x + 2x2)
-3 + x + 2x2 + (7x + -1x2) + -1(6x + -4) = 0

Remove parenthesis around (7x + -1x2)
-3 + x + 2x2 + 7x + -1x2 + -1(6x + -4) = 0

Reorder the terms:
-3 + x + 2x2 + 7x + -1x2 + -1(-4 + 6x) = 0
-3 + x + 2x2 + 7x + -1x2 + (-4 * -1 + 6x * -1) = 0
-3 + x + 2x2 + 7x + -1x2 + (4 + -6x) = 0

Reorder the terms:
-3 + 4 + x + 7x + -6x + 2x2 + -1x2 = 0

Combine like terms: -3 + 4 = 1
1 + x + 7x + -6x + 2x2 + -1x2 = 0

Combine like terms: x + 7x = 8x
1 + 8x + -6x + 2x2 + -1x2 = 0

Combine like terms: 8x + -6x = 2x
1 + 2x + 2x2 + -1x2 = 0

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

Solving
1 + 2x + 1x2 = 0

Solving for variable 'x'.

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

Subproblem 1

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

Subproblem 2

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

Solution

x = {-1, -1}

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