Find each of the following products:
(4x + 9) × (x – 6)
By using horizontal method,
We have;
= (4x + 9) × (x - 6)
= 4x(x – 6) + 9(x - 6)
= 4x2 – 24x + 9x – 54
= 4x2 – 15x – 54