p^2-2=7

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Solution for p^2-2=7 equation: 


Simplifying
p2 + -2 = 7

Reorder the terms:
-2 + p2 = 7

Solving
-2 + p2 = 7

Solving for variable 'p'.

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

Add '2' to each side of the equation.
-2 + 2 + p2 = 7 + 2

Combine like terms: -2 + 2 = 0
0 + p2 = 7 + 2
p2 = 7 + 2

Combine like terms: 7 + 2 = 9
p2 = 9

Simplifying
p2 = 9

Take the square root of each side:
p = {-3, 3}

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