Question

if x+y =12 and xy = 32 , find the value of x square + y square​

Answer 1

Answer:

x=8y,=4

x square + ysquare

64+16

=80

Answer 2

(12)^2 = x^2 +y^2 +2(32)

144 = x^2 +y^2 + 64

144-64 = x^2 +y^2

80 = x^2 +y^2