Question

factor: 18m2-2n2

Answer 1

18m^2-2n^2 =2(9m^2-n^2)
and, a^2-b^2 = (a+b)(a-b)

Answer 2

first step factor out 2 so than 2(9m^2 -n^2)
- can you continue ?

Answer 3

what do you afer that?

Answer 4

there is the formula and what you can to do again