Question

a² +5a+6 by a+2 (divide)​

Answer 1

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$\frac{ {a}^{2} + 5a + 6}{a + 2} \\ \\ = \frac{ {a}^{2} + (3 + 2)a + 6}{a + 2} \\ \\ = \frac{ {a}^{2} + 3a + 2a + 6 }{a + 2} \\ \\ = \frac{ a(a + 3) + 2(a + 3)}{a + 2)} \\ \\ = \frac{(a + 3)(a + 2)}{a + 2} \\ \\ = a + 3$

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