Question

3. Factorise the following expressions by regrouping the like terms.
a. Im + mn + al + an
b. ax + ay - bx - by
d. 2xy + 3 + 6x + y
e. m2 + mn + Im + In
Factorise the following by using suitable identities.
a. 6422 - 2562
b. x2 + 12x +36
e. a? – 3a - 40
d.
121​

Answer 1

please check attached