Question

Multiplying Polynomials :


(X + 4)(X - 1/2)

Answer 1

2x²+7x-4

Explanation:

(x+4)(x-1/2)

First multiply (x-1/2) by 2.

We have (2x-1)

(x+4)(2x-1)

Expanding it, we have

x(2x-1)+4(2x-1)

2x²-x+8x-4

2x²+7x-4