x^2+7r-30=

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Solution for x^2+7r-30= equation:


Simplifying
x2 + 7r + -30 = 0

Reorder the terms:
-30 + 7r + x2 = 0

Solving
-30 + 7r + x2 = 0

Solving for variable 'r'.

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

Add '30' to each side of the equation.
-30 + 7r + 30 + x2 = 0 + 30

Reorder the terms:
-30 + 30 + 7r + x2 = 0 + 30

Combine like terms: -30 + 30 = 0
0 + 7r + x2 = 0 + 30
7r + x2 = 0 + 30

Combine like terms: 0 + 30 = 30
7r + x2 = 30

Add '-1x2' to each side of the equation.
7r + x2 + -1x2 = 30 + -1x2

Combine like terms: x2 + -1x2 = 0
7r + 0 = 30 + -1x2
7r = 30 + -1x2

Divide each side by '7'.
r = 4.285714286 + -0.1428571429x2

Simplifying
r = 4.285714286 + -0.1428571429x2

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