Question

If b= a+3 then (a-b)^4=

Answer 1

Answer:

81

Step-by-step explanation:

If $b=a+3$ then what will $(a-b)^4$ be?

We substitute $b=a+3$ into $(a-b)^4$ to get $(a-(a+3))^4=(a-a+3)^4=(0-3)^4=(-3)^4=81$