Question

If a=70 & b=25. Verify that (a-b) (a+b)=axa-bxb​

Answer 1

The given function is a=70 and b=25

(a-b) =70-25

(a+b) =70+25

(70-25)(70+25)=70 ×70- 25×25

(45)(95)=490 - 625

4275 =135

Answer 2

Formula based question it is ( a + b ) ( a - b ) = a^2 - b^2