Question

55 times 45 using identity

Answer 1

Answer:

55×45

Step-by-step explanation:

(50+5)(50-5)

by using identity:- (a-b)(a+b)=a^2-b^2

50^2-5^2

2500-25

2475

Answer 2

Answer:

2475(distributive property

Step-by-step explanation:

55*45

=(50+5)*(40+5)

=(50*40)+(50*5)+(5*40)+(5*5)

=2000+250+200+25

=2000+450+25

=2475