6p^2-21=-15p

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Solution for 6p^2-21=-15p equation:


Simplifying
6p2 + -21 = -15p

Reorder the terms:
-21 + 6p2 = -15p

Solving
-21 + 6p2 = -15p

Solving for variable 'p'.

Reorder the terms:
-21 + 15p + 6p2 = -15p + 15p

Combine like terms: -15p + 15p = 0
-21 + 15p + 6p2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-7 + 5p + 2p2) = 0

Factor a trinomial.
3((-7 + -2p)(1 + -1p)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-7 + -2p)' equal to zero and attempt to solve: Simplifying -7 + -2p = 0 Solving -7 + -2p = 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 + -2p = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -2p = 0 + 7 -2p = 0 + 7 Combine like terms: 0 + 7 = 7 -2p = 7 Divide each side by '-2'. p = -3.5 Simplifying p = -3.5

Subproblem 2

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

Solution

p = {-3.5, 1}

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