Question

Simply (12a-9) (12a+9)

Answer 1

Answer:

Final result :

9 • (4a - 3) • (4a + 3)

Step by step solution :

Step 1 :

Step 2 :

Pulling out like terms :

2.1 Pull out like factors :

12a - 9 = 3 • (4a - 3)

Step 3 :

Pulling out like terms :

3.1 Pull out like factors :

(12a + 9) = 3 • (4a + 3)

Final result :

9 • (4a - 3) • (4a + 3)

Answer 2

Answer:

Step-by-step explanation:

(12a-9) (12a+9)

By multiplying

144a²+10 8a-108a-81=0

144a²-81. =0

144a² = 81

a² =81/144

a. = √81/√144

So,a= 9/11

Thanks