Question

Jenna constructs the model to represent 3x2 + 11x – 4.


What factors does Jenna need to model for the sides?

a.) (3x + 1) and (x – 4)
b.) (3x – 1) and (x + 4)
c.) (3x – 2) and (x + 2)
d.) (3x + 2) and (x – 2)

Answer 1

Answer:

Answer is option B) (3x-1)and(x+4)

Answer 2

Answer:

$3x { }^{2} + 11x - 4 \\ 3 x {}^{2} + 12x - x - 4 \\ 3x(x + 4) - 1(x + 4) \\ (3x - 1)(x + 4) \\ x = \frac{1}{3} \\ x = - 4 \: hope \: it \: will \: help \: you \: thank$