Question

Help plssss this is k12!

Which function is equivalent tof(x)=4x2+12x+9?

Question 6 options:

(4x+3)(x+3)

(2x+3)2

(2x−3)2

(4x−3)(x−3)

Answer 1

`(2x+3)^(2)`

Explanation:

Factor the equation (I got 36 because I multiplied 4x9)

You need to find two numbers that multiple to equal 36 but add to equal 12

6 x 6 = 36

6 + 6 = 12

I used to box method to factor it further into (2x+3)^2