Question

If two zeroes of polynomial x2-4x²-3x+12 are root3and root -3, then find its third
zero.​

Answer 1

Answer:

therefore it's third zero is 4.

Answer 2

Answer:

Third zero is 4 .

Step-by-step explanation:

Using identity : (a+b) (a-b) = (x+√3)(x-√3)=x^2-3

Now divide x^3-4x^2-3x+12 by x^2-3

Division you can see in the picture.

I hope it helps you.

Please mark me as brainliest answer.