Question

16x^3-20x^2-60x-27
-------------------
4x+3
Please help

Answer 1

These are confusing I have been able to work out so of the problems but there are some that get me and I need help

Answer 2

I tried to work out the top and then divide the bottom and that does not work

Answer 3

4x^2 -8x -9
-----------------------
4x+3| 16x^3 -20x^2 -60x -27
-12x^2
------------------
-32x^2 -60x -27
+24x
-----------
-36x -27
+27
------
0

Answer 4

you know how you divide normal numbers right?

Answer 5

right

Answer 6

4 <--- 3(4) = 12 ; remember to subtract 12
-----
3|146
-12
-----
26 <-- bring down to carry on


48 <--- 3(8) = 24 ; -24
-----
3|146
-12
-----
26
-24
------
2 <-- remainder

Answer 7

This looks really complicated, compared to really division

Answer 8

same concept; just with letters in it

Answer 9

o ok I guess that is what makes it hard to me then

Answer 10

4x times ____ = 16x^3? ; 4x^2

4x(4x^2) +3(4x^2) = 16x^3 +12x^2


16x^3 -20x^2
-(16x^3 +12x^2)


16x^3 - 20x^2
-16x^3 -12x^2
------------------
0 -32x^2 right?

Answer 11

the letters really are just there to keep track of positions; but we can do it without them if its easier..


4 -8 -9
---------------
4+3 |16 -20 -60 -27
-16 -12
----------
-32 -60
32 +24
---------
-36 -27
36 +27
----------
0 + 0