Question

If p(x) = x2 – l and q ( x ) = 5x – 5 which expression is equivalent to (p-q) (x)?

Answer 1

x^2 - 5x + 4.

Explanation:

(p - q)(x) = x^2 - 1 - (5x - 5)

= x^2 - 5x - 1 + 5

= x^2 - 5x + 4.