How do you factor the expression #10x^2-3x-1 #?
Look for a pair of numbers whose PRODUCT is the product of the first and last numbers
The two numbers that meet these criteria are
Factor by grouping.
Split the middle term (-3x) into two separate terms . Then, use grouping to complete the factoring.
Split the middle term into two separate terms so that the sum is still
Here is the new expression ...
Use grouping ...
hope that helped