Question

Using identity evaluate: 127 x 127 - 73 x 73​

Answer 1

Answer:

$127 \times 127 - 73 \times 73 = 0\\ 16129 - 5326 = 10803$

Answer 2

Answer:

10,800

Step-by-step explanation:

127^2-73^2....(a^2-b^2)=(a+b)(a-b)

(127+73)(127-73)

200*54

10,800