How can i solve 764+135 faster using a different strategy?

The Answer is a calculator is best way to get an answer quickly

Step-by-step explanation:

Answer add the tens place first then after you get that number you add the hundreds place and after you get that answer you add the thousands place and then after you get that answer you have you answer!!

relating to or denoting a system of numbers and arithmetic based on the number ten, tenth parts, and powers of ten.

it alot will look like this 4.4

check above link.

graphically?   well, you graph them both, the solutions is where they both intersect each other, since there are two solutions, meaning they will meet twice, or namely the linear will run into the quadratic curve twice, and where they meet, those x,y coordinates are the solutions to the system.