Question

If x-y=8 and xy=5, find x²+y².​

Answer 1

Answer:

74

Step-by-step explanation:

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

$(x - y) {}^{2} + 2xy$

$= {8}^{2} + 2 \times 5$

$= 64 + 10$

$= 74$

Answer 2

Answer:

x2+y2

x-y2+xy2

8 2 +2 into 5

64+10

74

Step-by-step explanation:

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