This is true . Solution , root , x and zero all are the same thing
If we're trying to find the hypotenuse we'll take the

Getting 35.
35
To find the number of non-defective chips, we simply use this equation:
2,000 * 4/5
8000/5
Now you simply divide:
1600
1600 chips aren't defective
I think the answer is (7x-3)(7x+3)