Question

Find the value of x² + y² if x+y = -3 and xy = 2​

Answer 1

Answer:

(x+y)² = (-3)²

squaring both side.

x²+y²+2xy = 9

x²+y²+2(2) = 9

(putting value of xy=2)

x²+y²+4 = 9

x²+y² = 9-4

x²+y² = 5

Step-by-step explanation:

your answer is 5.

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