Question

What is the product?
(2x – 1)(х + 4)
О2x? – 4
О 2х2 + 4
ОООО
02x2 +7x – 4
2х2 -7x - 4

Answer 1

2x^2+8x-x-4 = 2x^2+7x-4

Answer 2

0.2x2+7-4
0.4+7-4
0.4+7x-4
Calculate the difference
-36.6+7x