6p^2=21p-18

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Solution for 6p^2=21p-18 equation:


Simplifying
6p2 = 21p + -18

Reorder the terms:
6p2 = -18 + 21p

Solving
6p2 = -18 + 21p

Solving for variable 'p'.

Reorder the terms:
18 + -21p + 6p2 = -18 + 21p + 18 + -21p

Reorder the terms:
18 + -21p + 6p2 = -18 + 18 + 21p + -21p

Combine like terms: -18 + 18 = 0
18 + -21p + 6p2 = 0 + 21p + -21p
18 + -21p + 6p2 = 21p + -21p

Combine like terms: 21p + -21p = 0
18 + -21p + 6p2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(6 + -7p + 2p2) = 0

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

Ignore the factor 3.

Subproblem 1

Set the factor '(3 + -2p)' equal to zero and attempt to solve: Simplifying 3 + -2p = 0 Solving 3 + -2p = 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 + -2p = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2p = 0 + -3 -2p = 0 + -3 Combine like terms: 0 + -3 = -3 -2p = -3 Divide each side by '-2'. p = 1.5 Simplifying p = 1.5

Subproblem 2

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

Solution

p = {1.5, 2}

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