4p^2-6p=40

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Solution for 4p^2-6p=40 equation:


Simplifying
4p2 + -6p = 40

Reorder the terms:
-6p + 4p2 = 40

Solving
-6p + 4p2 = 40

Solving for variable 'p'.

Reorder the terms:
-40 + -6p + 4p2 = 40 + -40

Combine like terms: 40 + -40 = 0
-40 + -6p + 4p2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-20 + -3p + 2p2) = 0

Factor a trinomial.
2((-5 + -2p)(4 + -1p)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-5 + -2p)' equal to zero and attempt to solve: Simplifying -5 + -2p = 0 Solving -5 + -2p = 0 Move all terms containing p to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -2p = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -2p = 0 + 5 -2p = 0 + 5 Combine like terms: 0 + 5 = 5 -2p = 5 Divide each side by '-2'. p = -2.5 Simplifying p = -2.5

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 = {-2.5, 4}

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