Question

expand the following (a+4)(a+7)​

Answer 1

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$\huge\orange{\ddot\smile}$

$(a + 4)(a + 7) \\ = a(a + 7) + 4(a + 7) \\ = {a}^{2} + 7a + 4a + 28 \\ = {a}^{2} + 11a + 28$

Answer 2

Step-by-step explanation:

(a+4) (a+7)

a(a+7) 4(a+7)

a^2+7a+4a+28

a^2+11a+28