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More from Northside ISD (20)
4.4.2 solve by factoring a~1
- 2. 2
11 44 0x
2
11 4 0x
11 2 2 0x x
2, 2x
- 4. 2
4 12 9 0x x
2
2 3 0x
3
2
x
- 5. 2
4 19 5y x x
2
0 4 19 5x x
0 4 1 5x x
1
, 5
4
x
1
,0 , 5,0
4
- 6. 2
5 27 18f x x x
2
0 5 27 18x x
0 5 3 6x x
3
, 6
5
x
3
,0 , 6,0
5
- 7. 2
11 19 6g x x x
2
0 11 19 6x x
0 11 3 2x x
3
, 2
11
x
3
,0 , 2,0
11
- 8. 2
15 5 20y x x
2
0 15 5 20x x
2
0 5 3 4x x
0 5 3 4 1x x
4
, 1
3
x
4
,0 , 1,0
3
- 9. 2
12 5 7h x x x
2
0 12 5 7x x
0 1 12 7x x
7
1,
12
x
7
1,0 , ,0
12
- 10. 2 2
13 21 5 22x x x
2
18 21 22 0x x
3 2 6 11 0x x
2 11
,
3 6
x
2 11
,0 , ,0
3 6