(120-p)*(p-40)=

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Solution for (120-p)*(p-40)= equation:


Simplifying
(120 + -1p)(p + -40) = 0

Reorder the terms:
(120 + -1p)(-40 + p) = 0

Multiply (120 + -1p) * (-40 + p)
(120(-40 + p) + -1p * (-40 + p)) = 0
((-40 * 120 + p * 120) + -1p * (-40 + p)) = 0
((-4800 + 120p) + -1p * (-40 + p)) = 0
(-4800 + 120p + (-40 * -1p + p * -1p)) = 0
(-4800 + 120p + (40p + -1p2)) = 0

Combine like terms: 120p + 40p = 160p
(-4800 + 160p + -1p2) = 0

Solving
-4800 + 160p + -1p2 = 0

Solving for variable 'p'.

Factor a trinomial.
(-120 + p)(40 + -1p) = 0

Subproblem 1

Set the factor '(-120 + p)' equal to zero and attempt to solve: Simplifying -120 + p = 0 Solving -120 + p = 0 Move all terms containing p to the left, all other terms to the right. Add '120' to each side of the equation. -120 + 120 + p = 0 + 120 Combine like terms: -120 + 120 = 0 0 + p = 0 + 120 p = 0 + 120 Combine like terms: 0 + 120 = 120 p = 120 Simplifying p = 120

Subproblem 2

Set the factor '(40 + -1p)' equal to zero and attempt to solve: Simplifying 40 + -1p = 0 Solving 40 + -1p = 0 Move all terms containing p to the left, all other terms to the right. Add '-40' to each side of the equation. 40 + -40 + -1p = 0 + -40 Combine like terms: 40 + -40 = 0 0 + -1p = 0 + -40 -1p = 0 + -40 Combine like terms: 0 + -40 = -40 -1p = -40 Divide each side by '-1'. p = 40 Simplifying p = 40

Solution

p = {120, 40}

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