7p^2-14p-63=-7

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Solution for 7p^2-14p-63=-7 equation:


Simplifying
7p2 + -14p + -63 = -7

Reorder the terms:
-63 + -14p + 7p2 = -7

Solving
-63 + -14p + 7p2 = -7

Solving for variable 'p'.

Reorder the terms:
-63 + 7 + -14p + 7p2 = -7 + 7

Combine like terms: -63 + 7 = -56
-56 + -14p + 7p2 = -7 + 7

Combine like terms: -7 + 7 = 0
-56 + -14p + 7p2 = 0

Factor out the Greatest Common Factor (GCF), '7'.
7(-8 + -2p + p2) = 0

Factor a trinomial.
7((-2 + -1p)(4 + -1p)) = 0

Ignore the factor 7.

Subproblem 1

Set the factor '(-2 + -1p)' equal to zero and attempt to solve: Simplifying -2 + -1p = 0 Solving -2 + -1p = 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 + -1p = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1p = 0 + 2 -1p = 0 + 2 Combine like terms: 0 + 2 = 2 -1p = 2 Divide each side by '-1'. p = -2 Simplifying p = -2

Subproblem 2

Set the factor '(4 + -1p)' equal to zero and attempt to solve: Simplifying 4 + -1p = 0 Solving 4 + -1p = 0 Move all terms containing p to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1p = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1p = 0 + -4 -1p = 0 + -4 Combine like terms: 0 + -4 = -4 -1p = -4 Divide each side by '-1'. p = 4 Simplifying p = 4

Solution

p = {-2, 4}

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