(5x^2-3x+7x)+(4x^2+2x^2+7x)=

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Solution for (5x^2-3x+7x)+(4x^2+2x^2+7x)= equation:


Simplifying
(5x2 + -3x + 7x) + (4x2 + 2x2 + 7x) = 0

Reorder the terms:
(-3x + 7x + 5x2) + (4x2 + 2x2 + 7x) = 0

Combine like terms: -3x + 7x = 4x
(4x + 5x2) + (4x2 + 2x2 + 7x) = 0

Remove parenthesis around (4x + 5x2)
4x + 5x2 + (4x2 + 2x2 + 7x) = 0

Reorder the terms:
4x + 5x2 + (7x + 4x2 + 2x2) = 0

Combine like terms: 4x2 + 2x2 = 6x2
4x + 5x2 + (7x + 6x2) = 0

Remove parenthesis around (7x + 6x2)
4x + 5x2 + 7x + 6x2 = 0

Reorder the terms:
4x + 7x + 5x2 + 6x2 = 0

Combine like terms: 4x + 7x = 11x
11x + 5x2 + 6x2 = 0

Combine like terms: 5x2 + 6x2 = 11x2
11x + 11x2 = 0

Solving
11x + 11x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '11x'.
11x(1 + x) = 0

Ignore the factor 11.

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

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 = {0, -1}

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