Question

Expand the term (a+3) (a+4)​

Answer 1

Step-by-step explanation:

$(a + 3)(a + 4) \\ = {a}^{2} + 4a + 3a + 12 \\ = {a}^{2} + 7a + 12$

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Answer 2

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Q1. (a+3) (a+4)

The identity use to solve this is :-

✯ (x + a)(x + b) = x² + (a + b)x + ab

=> (a+3) (a+4)

=> (a)² + ( 3 + 4 ) a + (3 × 4)

=> a² + 7a + 12