Factorise

To factorise the quadratic , you can look for two numbers that multiply to and add up to . Those numbers are and .

Rewriting the equation results in . Grouping gives .

Now, factor by grouping: . So, the factorised form is .

Happy factoring! 🎉

If you want to make sure you didn’t go wrong, just expand back out to double-check it’s equivalent to the original expression. Factoring can sometimes be tricky, but with practice, you’ll be a pro at spotting those pairs!