Answer:
-10x^2-33x+1
Explanation:
=>6x(x-4)-16x^2-(9x-1)
multiply 6x with (x-4) and multiply - with (9x-1).
= 6x^2-24x-16x^2-9x+1
arrange the like terms with same powers of x with the respective sign.
= 6x^2-16x^2-24x-9x+1
simplify by using the respective arthematic operations.
= -10x^2-33x+1