Question

use the formula to expand (a+2) (a+1)​

Answer 1

Answer:

a²+2a+a+2 = a²+3a+2

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Answer 2

Answer:

(a+2)(a+1)

a(a+2)+a(a+1)

a²+2a+a²+1a

a⁴+3a²

Step-by-step explanation:

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