7p^2-21=-84

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Solution for 7p^2-21=-84 equation:


Simplifying
7p2 + -21 = -84

Reorder the terms:
-21 + 7p2 = -84

Solving
-21 + 7p2 = -84

Solving for variable 'p'.

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

Add '21' to each side of the equation.
-21 + 21 + 7p2 = -84 + 21

Combine like terms: -21 + 21 = 0
0 + 7p2 = -84 + 21
7p2 = -84 + 21

Combine like terms: -84 + 21 = -63
7p2 = -63

Divide each side by '7'.
p2 = -9

Simplifying
p2 = -9

Reorder the terms:
9 + p2 = -9 + 9

Combine like terms: -9 + 9 = 0
9 + p2 = 0

The solution to this equation could not be determined.

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