Question

Help please. I need this ASAP

Answer 1

B

Explanation:

Expanding the factors using FOIL

A

(x - 3)(x + 4)

= x² + 4x - 3x - 12

= x² + x - 12 ← a trinomial

B

(x + 3)(x - 3)

= x² - 3x + 3x - 9

= x² - 9 ← a binomial

C

(x - 3)² = (x - 3)(x - 3) = x² - 6x + 9 ← a trinomial