(a+7) X (2² 3a + 5
a=1
Answers
Answered by
3
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
Answered by
3
Answer:
(a+7) X [2².3a+5]
(1+7) X [2²X3(1)+5]
8 X [4X8]
8 X32
=256
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