Answer:
Step-by-step explanation
just plug in 0 for z so it would change to -2<6
1000000 i think...................................................
Answer:C 5a^2 +70a +240
Step-by-step explanation:
Step-by-step explanation:
By binomial theorem,
T(r+1) = nCr * a^(r+1) * b^r
Term 4 = 7C3 * (2x)^4 * (-5y)^3 = 35 * (16x^4) * (-125y^3) = -70000x^4y^3.