How do you factorise 20y plus 45?

Answer 1

To factorise the expression (20y + 45), first identify the greatest common factor (GCF) of the two terms. The GCF of 20 and 45 is 5. You can then factor out 5, resulting in (5(4y + 9)). Thus, the factorised form is (5(4y + 9)).