Answer:
x⁵+ 45x⁴+ 810x³+ 7290x²+ 32805x +59049
Step-by-step explanation:
Greetings !
Given expression

write 5 as a sum



Use (a+b)³=a³+3a²b+b³ to expand the expression

Use (a+b)²=a²+2ab+b² to the second expression to expand it

Finally, simplify the expression gives

Hope it helps!
Hey the image doesn't appear for me
Answer:
2907
Step-by-step explanation:
Answer:
426
Step-by-step explanation:
Subtract 247 from 673 to get 426
Only b because A is correct