Question

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Find the value of x³+y³+15xy-125 if x+y=5

Answer 1

Answer:

0

Step-by-step explanation:

This is the answer hope it helps

Answer 2

Step-by-step explanation:

x+y=5

c.b.s

(x+y)(x+y)(x+y)=125

x^3+y^3+3xy(x+y)=125

x^3+y^3+3xy(5)=125

x^3+y^3+15xy-125=0