Question

Select the polynomial that can be factored as (3x - 4)^2

9x^2 - 16

9x^2 - 24x + 16

9x^2 + 24x - 16

9x^2 - 12x + 16

Answer 1

Second binomial formula
(a - b)^2 = a^2 - 2ab + b^2
(3x - 4)^2 = (3x)^2 - 2 × 3x × (-4) + (-4)^2
=9x^2 + 24x - 16