How do you factor #2x² - 5x + 3#?
1 Answer
Aug 24, 2016
Explanation:
Find factors of 2 and 3 which ADD to make 5..
The signs are the same (because of +3),
both are minus (because of -5)
Find factors, cross multiply and add the answers.
2 and 3 are prime numbers so we can only combine them in 2 ways:
The first combination is what we need.