-5p^2=30p+40

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Solution for -5p^2=30p+40 equation:


Simplifying
-5p2 = 30p + 40

Reorder the terms:
-5p2 = 40 + 30p

Solving
-5p2 = 40 + 30p

Solving for variable 'p'.

Reorder the terms:
-40 + -30p + -5p2 = 40 + 30p + -40 + -30p

Reorder the terms:
-40 + -30p + -5p2 = 40 + -40 + 30p + -30p

Combine like terms: 40 + -40 = 0
-40 + -30p + -5p2 = 0 + 30p + -30p
-40 + -30p + -5p2 = 30p + -30p

Combine like terms: 30p + -30p = 0
-40 + -30p + -5p2 = 0

Factor out the Greatest Common Factor (GCF), '-5'.
-5(8 + 6p + p2) = 0

Factor a trinomial.
-5((4 + p)(2 + p)) = 0

Ignore the factor -5.

Subproblem 1

Set the factor '(4 + p)' equal to zero and attempt to solve: Simplifying 4 + p = 0 Solving 4 + p = 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 + p = 0 + -4 Combine like terms: 4 + -4 = 0 0 + p = 0 + -4 p = 0 + -4 Combine like terms: 0 + -4 = -4 p = -4 Simplifying p = -4

Subproblem 2

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

Solution

p = {-4, -2}

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