7a^2-5a-5=-5

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Solution for 7a^2-5a-5=-5 equation:


Simplifying
7a2 + -5a + -5 = -5

Reorder the terms:
-5 + -5a + 7a2 = -5

Add '5' to each side of the equation.
-5 + -5a + 5 + 7a2 = -5 + 5

Reorder the terms:
-5 + 5 + -5a + 7a2 = -5 + 5

Combine like terms: -5 + 5 = 0
0 + -5a + 7a2 = -5 + 5
-5a + 7a2 = -5 + 5

Combine like terms: -5 + 5 = 0
-5a + 7a2 = 0

Solving
-5a + 7a2 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), 'a'.
a(-5 + 7a) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(-5 + 7a)' equal to zero and attempt to solve: Simplifying -5 + 7a = 0 Solving -5 + 7a = 0 Move all terms containing a to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + 7a = 0 + 5 Combine like terms: -5 + 5 = 0 0 + 7a = 0 + 5 7a = 0 + 5 Combine like terms: 0 + 5 = 5 7a = 5 Divide each side by '7'. a = 0.7142857143 Simplifying a = 0.7142857143

Solution

a = {0, 0.7142857143}

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