Question

What i the product ? (2x-1)(x+4)​

Answer 1

2x² + 7x - 4

Explanation:

Each term in the second factor is multiplied by each term in the first factor, that is

2x(x + 4) - 1(x + 4) ← distribute both parenthesis

= 2x² + 8x - x - 8 ← collect like terms

= 2x² + 7x - 8

Answer 2

`2x^2+7x-4`