(5-p)(4+p)=

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Solution for (5-p)(4+p)= equation:


Simplifying
(5 + -1p)(4 + p) = 0

Multiply (5 + -1p) * (4 + p)
(5(4 + p) + -1p * (4 + p)) = 0
((4 * 5 + p * 5) + -1p * (4 + p)) = 0
((20 + 5p) + -1p * (4 + p)) = 0
(20 + 5p + (4 * -1p + p * -1p)) = 0
(20 + 5p + (-4p + -1p2)) = 0

Combine like terms: 5p + -4p = 1p
(20 + 1p + -1p2) = 0

Solving
20 + 1p + -1p2 = 0

Solving for variable 'p'.

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

Subproblem 1

Set the factor '(5 + -1p)' equal to zero and attempt to solve: Simplifying 5 + -1p = 0 Solving 5 + -1p = 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 + -1p = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1p = 0 + -5 -1p = 0 + -5 Combine like terms: 0 + -5 = -5 -1p = -5 Divide each side by '-1'. p = 5 Simplifying p = 5

Subproblem 2

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

Solution

p = {5, -4}

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