Question

10 points....answer this question. .......​

Answer 1

Answer:

Step-by-step explanation:

(x+y)=5

(x+y)³=5³

x³+y³+3xy(x+y)=125

x³+y³+3xy(5)=125

x³+y³+15xy=125

x³+y³+15xy-125=0

hence the value of x³+y³+15xy-125=0

please mark my answer as brainlist

Answer 2

125

Step-by-step explanation:

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

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

x+y=5

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

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

(x+y)^3=125