Question

x+y=9 and xy =20, find (x+y)^3

Answer 1

Step-by-step explanation:

(x+y)^3= (9)^3= 729

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Answer 2

Answer:

X + Y = 9

Therefore, 5 + 4 = 9

And

Xy = 20

Therefore, 5 x 4 = 20

We know that x = 5 and y = 4

Then, A. T. Q

( x +y) = (5 + 4)cube 3

(9) cube 3 = 729 is answer please follow me