Question

factorize:a^2+6a+9
factorize this equation.​

Answer 1

${a}^{2} + 6a + 9 \\ = {a}^{2} + 3a + 3a + 9 \\ = a(a + 3) + 3(a + 3) \\ = (a + 3)(a + 3) \\ = (a + 3) {}^{2}$

Answer 2

Answer:

Step-by-step explanation:

the equation is a²+6a+9

= a²+6a + 9 = 0

= a² + 3a +3a +9 = 0

= a(a+3)+3(a+3) = 0

= (a+3)(a+3) = 0

⇒ a = -3