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Simplifying
3p2 + -7 = 128
Reorder the terms:
-7 + 3p2 = 128
Solving
-7 + 3p2 = 128
Solving for variable 'p'.
Move all terms containing p to the left, all other terms to the right.
Add '7' to each side of the equation.
-7 + 7 + 3p2 = 128 + 7
Combine like terms: -7 + 7 = 0
0 + 3p2 = 128 + 7
3p2 = 128 + 7
Combine like terms: 128 + 7 = 135
3p2 = 135
Divide each side by '3'.
p2 = 45
Simplifying
p2 = 45
Take the square root of each side:
p = {-6.708203933, 6.708203933}
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