Answer:
20x^2 -68x-88
Explanation:
(5x-22)(4x+4)
FOIL
first 5x*4x= 20x^2
outer 5x*4 = 20x
inner -22*4x = -88x
last -22*4 = -88
Add these together
20x^2 +20x-88x-88 =
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