7r^2-50+72=0

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Solution for 7r^2-50+72=0 equation:


Simplifying
7r2 + -50 + 72 = 0

Reorder the terms:
-50 + 72 + 7r2 = 0

Combine like terms: -50 + 72 = 22
22 + 7r2 = 0

Solving
22 + 7r2 = 0

Solving for variable 'r'.

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

Add '-22' to each side of the equation.
22 + -22 + 7r2 = 0 + -22

Combine like terms: 22 + -22 = 0
0 + 7r2 = 0 + -22
7r2 = 0 + -22

Combine like terms: 0 + -22 = -22
7r2 = -22

Divide each side by '7'.
r2 = -3.142857143

Simplifying
r2 = -3.142857143

Reorder the terms:
3.142857143 + r2 = -3.142857143 + 3.142857143

Combine like terms: -3.142857143 + 3.142857143 = 0.000000000
3.142857143 + r2 = 0.000000000

The solution to this equation could not be determined.

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