Question

if x-y is equal to 6 and xy is equal to 8,find the calue of x² + y²​

Answer 1

(x-y)²=x²+y²-2xy

6²=x²+y²-2*8

x²+y²=36+16

x²+y²=52

Answer 2

Step-by-step explanation:

xy = 8

x - y = 6

squaring on both sides

(x-y)² = 6

x² + y² - 2xy = 36

x² + y² -2(8) = 36

x² + y² -16 = 36

x² + y² = 52