x2−10x+?=(?−?)2
1 Answer
Oct 13, 2017
Explanation:
We want to add a number on the left so we get a perfect square on the right. A quick way to do this is to add
So:
Factoring we get:
We want to add a number on the left so we get a perfect square on the right. A quick way to do this is to add
So:
Factoring we get: