3p^2=-21p-36

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Solution for 3p^2=-21p-36 equation:


Simplifying
3p2 = -21p + -36

Reorder the terms:
3p2 = -36 + -21p

Solving
3p2 = -36 + -21p

Solving for variable 'p'.

Reorder the terms:
36 + 21p + 3p2 = -36 + -21p + 36 + 21p

Reorder the terms:
36 + 21p + 3p2 = -36 + 36 + -21p + 21p

Combine like terms: -36 + 36 = 0
36 + 21p + 3p2 = 0 + -21p + 21p
36 + 21p + 3p2 = -21p + 21p

Combine like terms: -21p + 21p = 0
36 + 21p + 3p2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(12 + 7p + p2) = 0

Factor a trinomial.
3((4 + p)(3 + p)) = 0

Ignore the factor 3.

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 '(3 + p)' equal to zero and attempt to solve: Simplifying 3 + p = 0 Solving 3 + p = 0 Move all terms containing p to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + p = 0 + -3 Combine like terms: 3 + -3 = 0 0 + p = 0 + -3 p = 0 + -3 Combine like terms: 0 + -3 = -3 p = -3 Simplifying p = -3

Solution

p = {-4, -3}

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