Can’t see your answer choices but the absolute value of -3 is 3 so I would say 3 is your answer
x3 - 6x2 - 8x - 3
—————————————————
x - 1
Divide the box into two parts for easy way answer
For cube:-
TSA
Cancel one side area
For triangular pyramid:-
Area of one base
- 0.5(Base)(Height)
- 0.5(12)(15)
- 6(15)
- 90cm^2
Area of four sides=90(4)=360cm^2
<h3>Total surface area:-</h3>
