how to answer these types of questions

4x²-4x-1
can you demonstrate using an example please

4 answers

What do you mean by "answer these types of questions"
What were the instructions?
to factorize it
You need the quadratic formula for this, since it does not factor over rational numbers.

Now, 4x^2-4x+1 = (2x-1)(2x-1)
thank you