5(r*r)+15=x

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Solution for 5(r*r)+15=x equation:


Simplifying
5(r * r) + 15 = x

Multiply r * r
5(r2) + 15 = x

Reorder the terms:
15 + 5r2 = x

Solving
15 + 5r2 = x

Solving for variable 'r'.

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

Add '-15' to each side of the equation.
15 + -15 + 5r2 = -15 + x

Combine like terms: 15 + -15 = 0
0 + 5r2 = -15 + x
5r2 = -15 + x

Divide each side by '5'.
r2 = -3 + 0.2x

Simplifying
r2 = -3 + 0.2x

Reorder the terms:
3 + r2 + -0.2x = -3 + 0.2x + 3 + -0.2x

Reorder the terms:
3 + r2 + -0.2x = -3 + 3 + 0.2x + -0.2x

Combine like terms: -3 + 3 = 0
3 + r2 + -0.2x = 0 + 0.2x + -0.2x
3 + r2 + -0.2x = 0.2x + -0.2x

Combine like terms: 0.2x + -0.2x = 0.0
3 + r2 + -0.2x = 0.0

The solution to this equation could not be determined.

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