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Answer: 
<u>Step-by-step explanation:</u>
2x⁴+17x²+8
Let X = x² →→(x = + or -√X )
The quadratic becomes : 2.X² + 17.X + 8. Now solve for X:
X' = [-b+√(b²-4ac)]/2a and X" = [-b-√(b²-4ac)]/2a
Plug I the values of a, b and c and you will find;
X' = -1/2 and X" = - 8
Since X = √x → →X' = √( -1/2) [imaginary roots]
and X" = √-8 →→ X" = 2√-2 [imaginary roots]
Then:
1st ROOT: X' = - √1/2.i
2nd ROOT: X" = + √1/2.i
3rd ROOT: X" = + 2√2.i
4th ROOT: X" = - 2√2.i
Well I have more than 4 but whatever....
2 x 420
3 x 280
4 x 210
5 x 168
6 x 140
7 x 120
8 x 105
10 x 84
12 x 70
14 x 60
15 x 56
20 x 24
21 x 40
24 x 35
28 x 30
2 x 2 x 210
2 x 3 x 140
2 x 5 x 84
2 x 7 x 60
3 x 5 x 56
3 x 7 x 40
5 x 7 x 24
2 x 2 x 2 x 105
2 x 2 x 3 x 70
2 x 2 x 5 x 42
2 x 2 x 7 x 30
2 x 3 x 5 x 28
2 x 3 x 7 x 20
3 x 5 x 7 x 8
2 x 2 x 2 x 3 x 35
2 x 2 x 2 x 5 x 21
2 x 2 x 2 x 7 x 15
2 x 2 x 3 x 5 x 14
2 x 2 x 3 x 7 x 10
2 x 3 x 4 x 5 x 7
<span>2 x 2 x 2 x 3 x 5 x 7</span>
Hope I Helped You!!! :-)
Have A Good Day!!!
