Question

a^2+4a+3 factorise algebraic expressions​

Answer 1

a^2+3a+a+3
=a(a+3)+1(a+3)
=(a+3)(a+1)

Answer 2

Answer:

$= > {a}^{2} + 4a + 3 \\ \\ = > {a}^{2} + (3 + 1)a + 3 \\ \\ = > {a}^{2} + 3a + a + 3 \\ \\ = > a(a + 3) + 1(a + 3) \\ \\ = > (a + 3)(a + 1)$