2006-10-13 15:51:07 · 3 answers · asked by NONE N 1 in Science & Mathematics ➔ Mathematics
4 -12 4 -7 |2
8 -8 -8
_________
4 -4 -4 -15
4x^2 -4x -15 with remainder -15/x-2
using quadratic formula
x= 2.5 and x= -1.5
2006-10-13 15:58:53 · answer #1 · answered by wakoko 2 · 0⤊ 0⤋
(4x^3 - 12x^2 + 4x - 7)/(x - 2)
2`|`4``-12``4``|``-7
```|``````8``-8``|``-8
-----------------------
```|`4```-4``-4`|`-15
4x^2 - 4x - 4 R -15
or
4x^2 - 4x - 4 - (15/(x - 2))
2006-10-13 23:09:37 · answer #2 · answered by Sherman81 6 · 0⤊ 0⤋
(4x^3-12x^2+4x-7) / (x-2)
--> Quotient is 4x^2-4x-4 and remainder is -15
(x-2) 4x^3-12x^2+4x-7 4x62-4X-7
4x^3-8x^2
------------------------
-4x^2+4x-7
-4x^2+8x
-----------------------
-4x-7
-4x+8
-------------------
-15
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2006-10-13 23:00:49 · answer #3 · answered by abhiiii 2 · 0⤊ 0⤋