Question

find the value ofx³+y²,if x+y=-14 and xy=84
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Answer 1

Answer:

x²+y²=28

Step-by-step explanation:

using formula (x+y)²=x²+y²+2xy

put the value in this formula

(14)²=x²+y²+2*84

196=x²+y²+168

196-168=x²+y²

x²+y²=28

I hope it is your answer