Question

Evaluate the following by using a suitable identity: 75^2-65^2​

Answer 1

Answer:1400

Step-by-step explanation:75^2 - 65^2

(75+65)(75-65)

(140)(10)

1400

Answer 2

Answer:

1. 75^2-65^2=
2. (75+65)(75-65)=
3. 140 *10=
4. 1400
5. therefore 75^2-65^2=1400