It's not possible to build a triangle with side lengths of 3, 3, and 3.
y = (x+2)(x-6)(x+7)
(x+2)(x+7)
x^2 - 6x + 2x - 12
x^2 - 4x - 12
(x^2 - 4x - 12)(x + 7)
x^3 + 7x^2 - 4x^2 - 28x - 12x - 84
x^3 + 3x^2 - 40x - 84
y = x^3 + 3x^2 - 40x - 84
Answer: tnks
Step-by-step explanation: :))))))