5x^2-4=-8x-4

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Solution for 5x^2-4=-8x-4 equation:


Simplifying
5x2 + -4 = -8x + -4

Reorder the terms:
-4 + 5x2 = -8x + -4

Reorder the terms:
-4 + 5x2 = -4 + -8x

Add '4' to each side of the equation.
-4 + 4 + 5x2 = -4 + 4 + -8x

Combine like terms: -4 + 4 = 0
0 + 5x2 = -4 + 4 + -8x
5x2 = -4 + 4 + -8x

Combine like terms: -4 + 4 = 0
5x2 = 0 + -8x
5x2 = -8x

Solving
5x2 = -8x

Solving for variable 'x'.

Reorder the terms:
8x + 5x2 = -8x + 8x

Combine like terms: -8x + 8x = 0
8x + 5x2 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(8 + 5x) = 0

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 '(8 + 5x)' equal to zero and attempt to solve: Simplifying 8 + 5x = 0 Solving 8 + 5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + 5x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + 5x = 0 + -8 5x = 0 + -8 Combine like terms: 0 + -8 = -8 5x = -8 Divide each side by '5'. x = -1.6 Simplifying x = -1.6

Solution

x = {0, -1.6}

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