Find each of the following products:
(3y – 8) × (5y – 1)
By using horizontal method,
We have;
= (3y - 8) × (5y - 1)
= 3y(5y – 1) – 8(5y – 1)
= 15y2 – 3y – 40y + 8
= 15y2 – 43y +8