56(p^2-1)=15p

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Solution for 56(p^2-1)=15p equation:


Simplifying
56(p2 + -1) = 15p

Reorder the terms:
56(-1 + p2) = 15p
(-1 * 56 + p2 * 56) = 15p
(-56 + 56p2) = 15p

Solving
-56 + 56p2 = 15p

Solving for variable 'p'.

Reorder the terms:
-56 + -15p + 56p2 = 15p + -15p

Combine like terms: 15p + -15p = 0
-56 + -15p + 56p2 = 0

Factor a trinomial.
(-7 + -8p)(8 + -7p) = 0

Subproblem 1

Set the factor '(-7 + -8p)' equal to zero and attempt to solve: Simplifying -7 + -8p = 0 Solving -7 + -8p = 0 Move all terms containing p to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -8p = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -8p = 0 + 7 -8p = 0 + 7 Combine like terms: 0 + 7 = 7 -8p = 7 Divide each side by '-8'. p = -0.875 Simplifying p = -0.875

Subproblem 2

Set the factor '(8 + -7p)' equal to zero and attempt to solve: Simplifying 8 + -7p = 0 Solving 8 + -7p = 0 Move all terms containing p to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -7p = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -7p = 0 + -8 -7p = 0 + -8 Combine like terms: 0 + -8 = -8 -7p = -8 Divide each side by '-7'. p = 1.142857143 Simplifying p = 1.142857143

Solution

p = {-0.875, 1.142857143}

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