Question

Using the suitable identities to find (339^2)-(161^2)

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

89000

Step-by-step explanation:

339^2 -   161^2

a^2 - b^2 = (a+b)(a-b)

(339+161) (339-161)

500 * (178)

= (500* 178)(2/2)  multiply by 2 and divide by 2

= 1000 * 89

= 89000