7p^2-91p=-280

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Solution for 7p^2-91p=-280 equation:


Simplifying
7p2 + -91p = -280

Reorder the terms:
-91p + 7p2 = -280

Solving
-91p + 7p2 = -280

Solving for variable 'p'.

Reorder the terms:
280 + -91p + 7p2 = -280 + 280

Combine like terms: -280 + 280 = 0
280 + -91p + 7p2 = 0

Factor out the Greatest Common Factor (GCF), '7'.
7(40 + -13p + p2) = 0

Factor a trinomial.
7((5 + -1p)(8 + -1p)) = 0

Ignore the factor 7.

Subproblem 1

Set the factor '(5 + -1p)' equal to zero and attempt to solve: Simplifying 5 + -1p = 0 Solving 5 + -1p = 0 Move all terms containing p to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1p = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1p = 0 + -5 -1p = 0 + -5 Combine like terms: 0 + -5 = -5 -1p = -5 Divide each side by '-1'. p = 5 Simplifying p = 5

Subproblem 2

Set the factor '(8 + -1p)' equal to zero and attempt to solve: Simplifying 8 + -1p = 0 Solving 8 + -1p = 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 + -1p = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1p = 0 + -8 -1p = 0 + -8 Combine like terms: 0 + -8 = -8 -1p = -8 Divide each side by '-1'. p = 8 Simplifying p = 8

Solution

p = {5, 8}

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