Answer:
Step-by-step explanation:
Answer:
0
Step-by-step explanation:
x+y=5
x^3+y^3+15xy-125
(x+y)(x^2-xy+y^2)+15xy-125
5(x^2-xy+y^2)+15xy-125
5x^2+5y^2-5xy+15xy-125
5x^2+5y^2+10xy-125
5[x^2+2xy+y^2]-125
5(x+y)^2-125
5(5)^2-125
125-125
0
Answer:
x=8
Step-by-step explanation:
the step by step is in the snapshot of my notes which i attached to this!! brainliest please??
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