Answer:
x= 5
?=10
Step-by-step explanation:
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(x-y)^2 +4xy = (x+y)^2
FOIL
x^2 -2xy+y^2 +4xy = (x+y)^2 x^2 -2xy
Combine like terms
x^2 +2xy +y^2 = (x+y)^2 x^2 +2xy
Factor
(x+y)^2 = (x+y)^2 (x+y)^2
Volume of the carton = 1000 cubic inches. Dimensions of a carton are 10"×10"×10"
