Question

20 men can do a piece of work in 30 days. After working for how
many days should 5 men leave the work so that the whole work will
be completed in 35 days​

Answer 1

Answer:

(x+3)2

=(x+3)(x+3)

=(x)(x)+(x)(3)+(3)(x)+(3)(3)

=x2+3x+3x+9

=x2+6x+9