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Simplifying
100p2 + 9 = 90
Reorder the terms:
9 + 100p2 = 90
Solving
9 + 100p2 = 90
Solving for variable 'p'.
Move all terms containing p to the left, all other terms to the right.
Add '-9' to each side of the equation.
9 + -9 + 100p2 = 90 + -9
Combine like terms: 9 + -9 = 0
0 + 100p2 = 90 + -9
100p2 = 90 + -9
Combine like terms: 90 + -9 = 81
100p2 = 81
Divide each side by '100'.
p2 = 0.81
Simplifying
p2 = 0.81
Take the square root of each side:
p = {-0.9, 0.9}
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