ecuaciones1º-2ºgradoconsoluciones
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7/25/2019 Ecuaciones1-2gradoconsoluciones
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ECUACIONES DE PRIMER Y SEGUNDO GRADO
1. ( ) ( )3214245 =++ xxxx 2. ( ) ( ) ( ) 513232 =+ xxxx
3. ( ) ( )323125 =++ xxx 4. ( ) ( ) xxx 8124 22 =+
5.5
14
2
12 +=
xx 6. ( ) 4553 22 +=+ xx
7.( )
6
41
8
13 +=
xx
x 8. ( ) ( ) 193523 22 +=+ xxx
9. ( )[ ] xxx
5132 =++
10. ( )[ ] 1043262+=+ xxxx
11.( )
( ) ( )32183222
33+=
+xxx
x 12. ( ) 132 2 += xxx
13. ( ) ( ) ( ) ( )133232 222 ++=+ xxxxx 14.26
53
3
82
xxx=
+
+
15. ( ) xx 3415 2 = 16. ) 112443 2 =+ xx
17. ( ) ( ) 43125 +=+ xxxx
18. ( ) xx
121323
2=
19. ( ) ( ) ( ) 8142 =+ xxxx 20. 110
3
6
3
5
1 22
+=
+
xxx
SOLUCIONES:
1. x = 2/3 2. x = 2 ; x = - 7/3 3. x = - 1/2 4. x = - 5/3 ; x = 3
5. x = 47/8 6. x = 15 ; x = - 15 7. x = 17/37 8. x = 0 ; x = 4
9. x = -2 10. x = 4 ; x = 3 11. x = -5 12. No tiene sol. real
13. x = - 1/21 14. x = 175 ; x = -208 15. x = 475; x = 025 16. x = 3/2 ; x = 1/2
17. No tiene sol. real 18. x = 1 ; x = -1 19. x = 0 ; x = -1/2 20. x = 0 ; x = 5/3
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