Find each of the following products:
(2x + 5) × (4x – 3)
By using horizontal method,
We have;
= (2x + 5) × (4x - 3)
= 2x (4x – 3) + 5 (4x – 3)
= 8x2 - 6x + 20x – 15
= 8x2 + 14x - 15