Question

factorise (3l-m)^2+12lm​

Answer 1

Answer:

( 3l- m)^2 +12lm

=(3l)^2 -2×3l×m +(m)^2+12lm

=9l^2 -6lm + m^2 +12lm

= 9l^2 +6lm +m^2

Answer 2

Answer:

Step-by-step explanation:

(3l-m)^2 + 12lm

(9l^2+m^2) + 12lm

3l(3l + 4m) -m^2