Question

b2 +4b +4. factorise into trinomial​

Answer 1

Answer:

b^2+4b+4

=b^2+(2+2) b+4

=b^2+2b+2b+4

=b(b+2) +2(b+2)

=(b+2). (b+2)

=(b+2) ^2

May be it helps you.....