Question

(a+7) X (2² 3a + 5
a=1​

Answer 1

Answer:

Answer:a^3+10a^2+26a+35

Step-by-step explanation:

(a+7) * (a^2+3a+5)

First multiply (a^2+3a+5) by a and then by 7. And add them.

(a^3+3a^2+5a)+(7a^2+21a+35)

a^3+10a^2+26a+35

Hope it helps

Answer 2

Answer:

(a+7) X [2².3a+5]

(1+7) X [2²X3(1)+5]

8 X [4X8]

8 X32

=256