Question

if xy=8 and x²y + xy² + x + y = 54 then x² + y² =
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Answer 1

Answer:

answer is 20.

Step-by-step explanation:

•Let x be 4 and y be 2.

•xy=8

=4*2=8

•x^2y+xy^2+x+y=54

54=4*4*2+4*2*2+4+2

54=32+16+4+2

54

54=54=34+20

So,x^2+y^2

=4*4+2*2

=16+4

=20