Answer:
ans: coefficient of 3rd term is 60
3rd term is 60x
Step-by-step explanation:
(5x +2)³ = C(3,2) × (5x)^(3-2) × 2²
= 3 × 5 × 4 × x
= 60x
The answer is b because all you have to do is just subtract if I am wrong so sorry
1.A 2.D 3.B These are the answers I think is the choice to your question.
Answer:7
Step-by-step explanation:
Because 3x7=21.