Question

Please help with my homework

Answer 1

Answer:

f(x)

first you have to multiply 3×48 =144 and divided by 12 and answer comes 12 and you have to add 12 +12 which is 24 which is written in the middle of 3x^2 and 48

3x^2 +x(12+12) +48

3x^2 + 12x +12x +48

3x(x +4) +12(x +4)

(x+4) (3x +12) answer

2. there is not zero while solving f

but think this is the answer