Question

split the middle term 4x^2-5x-1

Answer 1

4x^2-5x-1

4x^2-4x-x-1

you can proceed now ....

thank you !!!

Answer 2

Splitting the middle term is not right way for solving it...use the formula

$x = \frac{ - b + - \sqrt{ {b }^{2} - 4ac} }{2a}$

And u will get two values of X