r^2+7+12=0

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Solution for r^2+7+12=0 equation:


Simplifying
r2 + 7 + 12 = 0

Reorder the terms:
7 + 12 + r2 = 0

Combine like terms: 7 + 12 = 19
19 + r2 = 0

Solving
19 + r2 = 0

Solving for variable 'r'.

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

Add '-19' to each side of the equation.
19 + -19 + r2 = 0 + -19

Combine like terms: 19 + -19 = 0
0 + r2 = 0 + -19
r2 = 0 + -19

Combine like terms: 0 + -19 = -19
r2 = -19

Simplifying
r2 = -19

Reorder the terms:
19 + r2 = -19 + 19

Combine like terms: -19 + 19 = 0
19 + r2 = 0

The solution to this equation could not be determined.

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