Here , I am using the trick for numbers that end with 5 Step 1: In 75², first consider the hundredth digit, that is 7. Multiply 7 with next number So, (7 x 8) is the first part answer Step 2: For the second part answer square 5. (In Squaring numbers that end with 5,the second part might be 25 , you may take any Numbers like 95²,105²,125²,.... ) In Final, Our answer for 75² is 5625 TRY for other numbers 🙂... My video