Question

if x+y=12 and xy=32 find the value of x²+ y²​

Answer 1

Step-by-step explanation:

x+y= 12

or

(x+y)^2=12^2

or

x^2+y^2+2xy=144

or

x^2+y^2+64=144

or

${x}^{2} + {y}^{2} = 80$