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Simplifying
3p2 + 3 = 81
Reorder the terms:
3 + 3p2 = 81
Solving
3 + 3p2 = 81
Solving for variable 'p'.
Move all terms containing p to the left, all other terms to the right.
Add '-3' to each side of the equation.
3 + -3 + 3p2 = 81 + -3
Combine like terms: 3 + -3 = 0
0 + 3p2 = 81 + -3
3p2 = 81 + -3
Combine like terms: 81 + -3 = 78
3p2 = 78
Divide each side by '3'.
p2 = 26
Simplifying
p2 = 26
Take the square root of each side:
p = {-5.099019514, 5.099019514}
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