Question

Simplify the value of x²+y² when x + y and xy =10

Answer 1

Answer:

x2+y2=(x+y)^2-2xy

=(10)^2-2(10)

=100-20

=80

just substitute this formula (x+y)^2=x2+y2+2xy and mark me as brainliest

Answer 2

Answer:

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