25r^2+4+20=0

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Solution for 25r^2+4+20=0 equation:


Simplifying
25r2 + 4 + 20 = 0

Reorder the terms:
4 + 20 + 25r2 = 0

Combine like terms: 4 + 20 = 24
24 + 25r2 = 0

Solving
24 + 25r2 = 0

Solving for variable 'r'.

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

Add '-24' to each side of the equation.
24 + -24 + 25r2 = 0 + -24

Combine like terms: 24 + -24 = 0
0 + 25r2 = 0 + -24
25r2 = 0 + -24

Combine like terms: 0 + -24 = -24
25r2 = -24

Divide each side by '25'.
r2 = -0.96

Simplifying
r2 = -0.96

Reorder the terms:
0.96 + r2 = -0.96 + 0.96

Combine like terms: -0.96 + 0.96 = 0.00
0.96 + r2 = 0.00

The solution to this equation could not be determined.

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