Hi there!
The first step is to multiply 25 on 25, then add 15 on 450, then add those numbers and subtract. The whole process will look like this,
25 × 25 = 625
15 + 450 = 465
625 + 465 = 1090
1090 - 768 = 322
The answer to this equation would be 322
Hope this helped!~
