if x-y=9 And X Y=7 find value of x²+y² and x+y
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Answered by
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Step-by-step explanation:
Answer. x^2 + y^2 = 49 + 2xy = 49+2*9 = 49+18 = 67. Hope this helps you!
Answered by
0
Step-by-step explanation:
Answer. x^2 + y^2 = 49 + 2xy = 49+2*9 = 49+18 = 67.
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