SOLUTION: what is 2 numbers whose sum is 56 and the product is 783
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Question 158811
:
what is 2 numbers whose sum is 56 and the product is 783
Answer by
checkley77(12844)
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x+y=56 or x=56-y
x*y=783
(56-y)y=783
56y-y^2-783=0
y^2-56y+783=0
(y-29)(y-27)=0
y-29=0
y=29 answer.
y-27=0
y=27 answer.
Proofs:
29=27=56
56=56
27*29=783
783=783