2r^2+8=24

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Solution for 2r^2+8=24 equation: 


Simplifying
2r2 + 8 = 24

Reorder the terms:
8 + 2r2 = 24

Solving
8 + 2r2 = 24

Solving for variable 'r'.

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

Add '-8' to each side of the equation.
8 + -8 + 2r2 = 24 + -8

Combine like terms: 8 + -8 = 0
0 + 2r2 = 24 + -8
2r2 = 24 + -8

Combine like terms: 24 + -8 = 16
2r2 = 16

Divide each side by '2'.
r2 = 8

Simplifying
r2 = 8

Take the square root of each side:
r = {-2.828427125, 2.828427125}

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