Question

63c^2-7?

Answer 1

Factor out 7 first..

Answer 2

ok

Answer 3

ok ??

Answer 4

a^2 -b^2 form

Answer 5

There is factor 7 in 63 and 7 both meaning 7 is factor of 63 and 7 both..

So you can take it out by using distributive property..

Answer 6

Yeah after taking 7 common you will get a^2 - b^2 form then apply:

\[a^2 - b^2 = (a-b)(a+b)\]

Answer 7

oh a^2 -b^2 form no need ah?

Answer 8

There is need of it but after taking 7 factor out first...

Answer 9

ok plz wait solving

Answer 10

7(3c+1) (3c-1)