Factorisation
Split the middle term using −2 and −3.
Walk through 5 steps
- 01
Find two numbers whose product is 6 and sum is −5.
- 02
Split the middle term using −2 and −3.
- 03
Group the first two and last two terms.
- 04
Take the common binomial factor.
- 05
Apply the zero-product rule.
Why use it
Best when the quadratic has clean integer factors.Common trap
Choose factor signs whose sum is −5, not +5.