7x^2+4x=3x^2-2x

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


Simplifying
7x2 + 4x = 3x2 + -2x

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

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

Solving
4x + 7x2 = -2x + 3x2

Solving for variable 'x'.

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

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

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

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

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

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

Factor out the Greatest Common Factor (GCF), '2x'.
2x(3 + 2x) = 0

Ignore the factor 2.

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 '(3 + 2x)' equal to zero and attempt to solve: Simplifying 3 + 2x = 0 Solving 3 + 2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + 2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 2x = 0 + -3 2x = 0 + -3 Combine like terms: 0 + -3 = -3 2x = -3 Divide each side by '2'. x = -1.5 Simplifying x = -1.5

Solution

x = {0, -1.5}

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