Question

[2] Multiply :
$(a + 2)(a { } ^{2} + 3a + 5)$
​

Answer 1

Answer:

a³+5a²+11a+10

Step-by-step explanation:

(a+2)(a²+3a+5)

=a(a²+3a+5) +2(a²+3a+5)

= a³+3a²+5a+2a²+6a+10

= a³+5a²+11a+10

Answer 2

10

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