Question

factorise 9a^2+6a+1-36b^2

Answer 1

I hope this answer help you

Answer 2

Answer: 9a² + 6a + 1 - 36b²

[9a²+6a+1] -[36b²]

using indentity (a+b)² = a²+b²+2ab

[3a+1]² - [6b]²

again using indentity

a²-b² = (a-b) (a+b)

(3a+1+6b) (3a+1-6b)

i hope this helps you