81p^2-9p-2=0

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Solution for 81p^2-9p-2=0 equation:


Simplifying
81p2 + -9p + -2 = 0

Reorder the terms:
-2 + -9p + 81p2 = 0

Solving
-2 + -9p + 81p2 = 0

Solving for variable 'p'.

Factor a trinomial.
(-1 + -9p)(2 + -9p) = 0

Subproblem 1

Set the factor '(-1 + -9p)' equal to zero and attempt to solve: Simplifying -1 + -9p = 0 Solving -1 + -9p = 0 Move all terms containing p to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -9p = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -9p = 0 + 1 -9p = 0 + 1 Combine like terms: 0 + 1 = 1 -9p = 1 Divide each side by '-9'. p = -0.1111111111 Simplifying p = -0.1111111111

Subproblem 2

Set the factor '(2 + -9p)' equal to zero and attempt to solve: Simplifying 2 + -9p = 0 Solving 2 + -9p = 0 Move all terms containing p to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -9p = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -9p = 0 + -2 -9p = 0 + -2 Combine like terms: 0 + -2 = -2 -9p = -2 Divide each side by '-9'. p = 0.2222222222 Simplifying p = 0.2222222222

Solution

p = {-0.1111111111, 0.2222222222}

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