23. Solve the compound inequality. Then graph the solution set.
s-2-10 or -3s 6
A {si-8 ss<-2}
- 10 9
10
B
{siss-8 or s>-2}
02
-10-9-87-6
{sis <-8 or s 2-2}
C
- 7
-10-9
-6
-3 -2 -1 0 1 2 3
5 6 7
8 9 10
Dís 1-8 -10 -9 8 -7 -6
S
-3 2 1 0 1 2 3 4 5 6 7 8 9 10
7

(x3 + 6x2 + 2x - 6) • (x - 1)

step-by-step explanation:

polynomial long division :

3.2     polynomial long division

dividing :   x4+5x3-4x2-8x+6

                              ("dividend")

by         :     x-1     ("divisor")

dividend     x4   +   5x3   -   4x2   -   8x   +   6

- divisor   * x3     x4   -   x3            

remainder         6x3   -   4x2   -   8x   +   6

- divisor   * 6x2         6x3   -   6x2        

remainder             2x2   -   8x   +   6

- divisor   * 2x1             2x2   -   2x    

remainder               -   6x   +   6

- divisor   * -6x0               -   6x   +   6

remainder                     0

quotient :   x3+6x2+2x-6   remainder:   0

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step-by-step explanation: