Question

(5x-7y)^3+(9y-5y)^3+(7y-9z)^3

Answer 1

Let's simplify step-by-step.(5x−7y)3+(9y−5y)3+(7y−9z)3Distribute:=125x3+−525x2y+735xy2+−343y3+(9y−5y)3+343y3+−1323y2z+1701yz2+−729z3=125x3+−525x2y+735xy2+−343y3+64y3+343y3+−1323y2z+1701yz2+−729z3Combine Like Terms:=125x3+−525x2y+735xy2+−343y3+64y3+343y3+−1323y2z+1701yz2+−729z3=(125x3)+(−525x2y)+(735xy2)+(−343y3+64y3+343y3)+(−1323y2z)+(1701yz2)+(−729z3)=125x3+−525x2y+735xy2+64y3+−1323y2z+1701yz2+−729z3Answer:=125x3−525x2y+735xy2+64y3−1323y2z+1701yz2−729z3