Question

divide as directed a²+12a-45÷(a-3)

​

Answer 1

Answer:

Step-by-step explanation:

a² + 12a - 45

a² + 15a - 3a - 45

a(a + 15) - 3(a + 15)

(a + 15)(a - 3)

then you gotta divide it by (a-3) which gives

(a+15)