Question

what is the product of 15 and 11

Answer 1

Hi!!!!

15x11=161

(or)

=> (10+5) (10+1

it in the form of

(x+a) (x+b)=x^2+(a+b)x+ab

x=10,a=5,b=1

=10^2+(5+1)10+5x1

=100+(6)10+5

=100+60+5

=165


Hope it hlpzzz..