Answer:
Click the 'x' on the top of the tab
Step-by-step explanation:
Move your coursor to the 'x' and click.
<span>4x^3-7x^2-11x+5 </span>÷<span> 4x+5
-4x^3-5x^2 x^2-3x+1
___________
-12x^2-11x+5
12x^2+15x+5
________________
4x+5
-4x-5
_______________
0</span>
I would need more information and a picture of the problem to help you.
