Find the product: (2x + 5) × (4x − 3)
Question:
Find the product:
(2x + 5) × (4x − 3)
Solution:
By horizontal method:
$(2 x+5) \times(4 x-3)$
$=2 x(4 x-3)+5(4 x-3)$
$=8 x^{2}-6 x+20 x-15$
$=8 x^{2}+14 x-15$