2q^2+7q-5=5q-5

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Solution for 2q^2+7q-5=5q-5 equation:


Simplifying
2q2 + 7q + -5 = 5q + -5

Reorder the terms:
-5 + 7q + 2q2 = 5q + -5

Reorder the terms:
-5 + 7q + 2q2 = -5 + 5q

Add '5' to each side of the equation.
-5 + 7q + 5 + 2q2 = -5 + 5 + 5q

Reorder the terms:
-5 + 5 + 7q + 2q2 = -5 + 5 + 5q

Combine like terms: -5 + 5 = 0
0 + 7q + 2q2 = -5 + 5 + 5q
7q + 2q2 = -5 + 5 + 5q

Combine like terms: -5 + 5 = 0
7q + 2q2 = 0 + 5q
7q + 2q2 = 5q

Solving
7q + 2q2 = 5q

Solving for variable 'q'.

Reorder the terms:
7q + -5q + 2q2 = 5q + -5q

Combine like terms: 7q + -5q = 2q
2q + 2q2 = 5q + -5q

Combine like terms: 5q + -5q = 0
2q + 2q2 = 0

Factor out the Greatest Common Factor (GCF), '2q'.
2q(1 + q) = 0

Ignore the factor 2.

Subproblem 1

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

Subproblem 2

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

Solution

q = {0, -1}

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