Question

Multiply Binomial by Trinomial (a + 7) (a²+3a+5)



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Answer 1

Answer:

(a + 7) × (a²+3a+5)

⇒ (a) × (a²+3a+5) + (7) × (a²+3a+5)

⇒ ($a^{3}$+3a²+5a) + (7a²+21a+35)

⇒ $a^{3}$+10a²+26a+35

Hope you like the answer...

Answer 2

Answer:

a³+3a²+5a+7a²+21a+35