5x^2-16+20=0

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Solution for 5x^2-16+20=0 equation:


Simplifying
5x2 + -16 + 20 = 0

Reorder the terms:
-16 + 20 + 5x2 = 0

Combine like terms: -16 + 20 = 4
4 + 5x2 = 0

Solving
4 + 5x2 = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-4' to each side of the equation.
4 + -4 + 5x2 = 0 + -4

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

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

Divide each side by '5'.
x2 = -0.8

Simplifying
x2 = -0.8

Reorder the terms:
0.8 + x2 = -0.8 + 0.8

Combine like terms: -0.8 + 0.8 = 0.0
0.8 + x2 = 0.0

The solution to this equation could not be determined.

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