Question 323754: 1. x2 + 7x + 12=
2. x2 + 13x + 36=
3. m2 + 8mn + 15n2=
4. a2 + 5ab + 6b2=
5. x2 – 8x + 15=
6. p2 + 6pq + 8q2=
a) 6x2 + 7x +2=
b) 8x2 – 2=
c) 6m2 + 15mn – 9n2=
d) 6x2 – 41x -7=
e) 2x2 + 4x – 6=
f) 2x2 + x – 1=
a) x2 + 14x + =
b) x2 + 6x + =
c) x2 + 5x + =
d) 25x2 + 10x =
a) x2 – x – 6=
b) x2 – 3x – 28=
c) x2 + 5x – 14=
d) b2 – 7b-10=
1. x2 -7x +12 =
2. x2 + 4x -12 =
3. x2 – 21x -100=
4. x2 – 21x -72=
5. 8x2 + 10x -3=
6. 9a2 – 15a -6=
7. 20 + 6x -2x2=
8. a2 - 5 a + 1=
6 6
9. c2 + 5c -24=
10. x2 – 20x + __________ = ___________
11. x4 – 8x2 + __________ = ___________
12. a2 + 5ab – 14b2 =
13. x2 – xy – 30y2 =
14. ax2 +40x + 100 =
15. 120y2 – 22xy + x2 =
16. 3x2 – 21x + 36=
17. 4a2 + 2a – 6 =
18. 30b2 –b -20 =
19. a2 + 12a +35 =
20. y2 – 8y + 15 =
21. y2 + 4 y + ____________ = ____________
22. x2 + 5x + ____________ = _____________
a) 6x2 x 15xyz =
5z 9x2y3
b) a2 -81 x 4a2 =
2a a2+92
c) 5p x 4p2–28p =
p2 -49 20p2
d) m2 – 100 x 2m =
2m+20 m2-10m
e) 212+21 x 12-3t =
212 12-2t-3
a) 6x2 – 15xyz =
5z 9x2y3
b) a2–81 - 4a2 =
2a a2+9a
c) 5p - 4p2–28p =
p2 – 49 20p2
d) m2-100 - 2m =
2m + 20 m2 – 10m
e) 212 – 2t - t2 – 3t =
2t2 t2– 2t – 3
2x + x2+x
x+1 x+5
5x +10 + 3x+6
x2 -1 x + 1
a) 6a2 + 3a =
5b2 10b
b) 12x3 + 18x2y =
7y2 21y2z
c) 25ab + 10b =
a2-c2 a+c
d) 6t – 9 + 4t2-9 =
6t 10t2
e) x2-10x+27 + x2-3x =
8x2 2x
d) 6b2 + 12b =
2b-10 b2+4b-45
a) 3a + 2a =
5 5
b) 6m + 8m =
11 11
c) 7x - 2x =
10 10
d) 18xy - 11xy =
7 7
e) 4x+3 + 3x+4 =
x+2 x+2
f) -6m + m-10 =
m -5 m-5
1. 1 + 1 – x - 2__ =
x x2 – 2x x + 1
2. x - 3 +2 =
2x2 –x-1 1-2x-x2
3. 1 + 3 - 2 =
x2+4x+3 x2 – 1 x + 3
B. Efectué las siguientes operaciones:
a) (x-2 + x + 2 ) . x2 – 9 =
x2-4 x2 –x-6 4x – 10
b) x – 2 + x + 2 _ * x2 – 9 =
x2 – 4 x2– x – 6 4x – 10
c) 2x + 6 * x + 3 + x – 7 =
x2 – 9 x – 7 5
C. Realice:
a) ax2+5 °l° a3x2 +5a2 =
4a2 – 1 2a – 1
b) _ n2 – 49 °l° n2 + 2n – 35 =
2n – 14 2n
c) x2+13x+12 °l° (x + 1)=
x + 2
d ( a + 7 )3 °l° ( a + 7 )2
3 2
e) y2 – 36 °l° y2 – 6y =
3y + 18 3y
f) 10a2 °l° 5a3 =
a2 –8ab + 16b2 a2 – 4ab2
g) (c + 3) °l° c2+c – 6 =
c + 2
g) ( sx – 3)4 °l° ( 2x – 3)3 =
2 2
1. 2x2, 6xy =
2. x + 3, x – 3=
3. x2 – y2, x2 + 2xy + y2=
4. m – 6, m + 6 =
5. x2 + 3x +2, x2 – 4
6. 2x2 +5x+2, 2x2 -x-1=
7. a (b – 1), 8(1 –b)=
8. y3 – y2,y4 – y2 =
a) ( 1 + 1 ) ( b ) =
b3+b2 -6b b3 – 6b2 b - 2
b) ( 1 - x ) ( 1 ) =
x2 + 10x + 25 x2 - 25 x2 + 10x +25
c) ( 1 + c ) ( 1 ) =
c2 + c c2 + 2c +1 c2 - 1
1. (x + 8) (x + 6) : 0
2. (x + 12) (x – 11): 0
3. y(y – 13):0
4. (7x – 28) (28x – 7):0
5. 1 x ( 2 x – 12 ):0
2 3
1. 6x2 + x : 2
2. 3x2 + 8x -35: 0
3. 3x2 + 8x + 3 : 0
4. (x + 4) (x – 4): 8(x – 2)
5. 123x2 : 0
6. 8x2 : 24x + 2
1) (a – 3) (a + 5):
2) x (x + 5) : 0
3) 0: y (y + 10)
4) 2x (3x - 2) : 0
5) ( 1 – 3x) ( 1 – 2x) :0
3 5
6) x2 – 8 : 0
7) 12y2 – 5y :2
8) 64m2 : 81
9) x2 – 3x : 0
10) 2y2 + 12y:10
11) 100t2: 49
12) x2 – 4 – 3 (x –2)2:0
13) 4x (x –20) +5:0
14) 8x2 + x : 0
15) 5x (x –2) +6:0
16) 2x2 – 8 : 0
17) 3x2 + 12 : 0
1. x2 +6x +5 : 0
2. x2 +7x+6 : 0
3. x2 +7x – 18 : 0
4. x2 +4x – 21 : 0
5. b2 – 8b + 15 : 0
6. x2 – 9x + 14 : 0
1. x2 + 7x + 12=
2. x2 + 13x + 36=
3. m2 + 8mn + 15n2=
4. a2 + 5ab + 6b2=
5. x2 – 8x + 15=
6. p2 + 6pq + 8q2=
a) 6x2 + 7x +2=
b) 8x2 – 2=
c) 6m2 + 15mn – 9n2=
d) 6x2 – 41x -7=
e) 2x2 + 4x – 6=
f) 2x2 + x – 1=
a) x2 + 14x + =
b) x2 + 6x + =
c) x2 + 5x + =
d) 25x2 + 10x =
a) x2 – x – 6=
b) x2 – 3x – 28=
c) x2 + 5x – 14=
d) b2 – 7b-10=
1. x2 -7x +12 =
2. x2 + 4x -12 =
3. x2 – 21x -100=
4. x2 – 21x -72=
5. 8x2 + 10x -3=
6. 9a2 – 15a -6=
7. 20 + 6x -2x2=
8. a2 - 5 a + 1=
6 6
9. c2 + 5c -24=
10. x2 – 20x + __________ = ___________
11. x4 – 8x2 + __________ = ___________
12. a2 + 5ab – 14b2 =
13. x2 – xy – 30y2 =
14. ax2 +40x + 100 =
15. 120y2 – 22xy + x2 =
16. 3x2 – 21x + 36=
17. 4a2 + 2a – 6 =
18. 30b2 –b -20 =
19. a2 + 12a +35 =
20. y2 – 8y + 15 =
21. y2 + 4 y + ____________ = ____________
22. x2 + 5x + ____________ = _____________
a) 6x2 x 15xyz =
5z 9x2y3
b) a2 -81 x 4a2 =
2a a2+92
c) 5p x 4p2–28p =
p2 -49 20p2
d) m2 – 100 x 2m =
2m+20 m2-10m
e) 212+21 x 12-3t =
212 12-2t-3
a) 6x2 – 15xyz =
5z 9x2y3
b) a2–81 - 4a2 =
2a a2+9a
c) 5p - 4p2–28p =
p2 – 49 20p2
d) m2-100 - 2m =
2m + 20 m2 – 10m
e) 212 – 2t - t2 – 3t =
2t2 t2– 2t – 3
2x + x2+x
x+1 x+5
5x +10 + 3x+6
x2 -1 x + 1
a) 6a2 + 3a =
5b2 10b
b) 12x3 + 18x2y =
7y2 21y2z
c) 25ab + 10b =
a2-c2 a+c
d) 6t – 9 + 4t2-9 =
6t 10t2
e) x2-10x+27 + x2-3x =
8x2 2x
d) 6b2 + 12b =
2b-10 b2+4b-45
a) 3a + 2a =
5 5
b) 6m + 8m =
11 11
c) 7x - 2x =
10 10
d) 18xy - 11xy =
7 7
e) 4x+3 + 3x+4 =
x+2 x+2
f) -6m + m-10 =
m -5 m-5
1. 1 + 1 – x - 2__ =
x x2 – 2x x + 1
2. x - 3 +2 =
2x2 –x-1 1-2x-x2
3. 1 + 3 - 2 =
x2+4x+3 x2 – 1 x + 3
B. Efectué las siguientes operaciones:
a) (x-2 + x + 2 ) . x2 – 9 =
x2-4 x2 –x-6 4x – 10
b) x – 2 + x + 2 _ * x2 – 9 =
x2 – 4 x2– x – 6 4x – 10
c) 2x + 6 * x + 3 + x – 7 =
x2 – 9 x – 7 5
C. Realice:
a) ax2+5 °l° a3x2 +5a2 =
4a2 – 1 2a – 1
b) _ n2 – 49 °l° n2 + 2n – 35 =
2n – 14 2n
c) x2+13x+12 °l° (x + 1)=
x + 2
d ( a + 7 )3 °l° ( a + 7 )2
3 2
e) y2 – 36 °l° y2 – 6y =
3y + 18 3y
f) 10a2 °l° 5a3 =
a2 –8ab + 16b2 a2 – 4ab2
g) (c + 3) °l° c2+c – 6 =
c + 2
g) ( sx – 3)4 °l° ( 2x – 3)3 =
2 2
1. 2x2, 6xy =
2. x + 3, x – 3=
3. x2 – y2, x2 + 2xy + y2=
4. m – 6, m + 6 =
5. x2 + 3x +2, x2 – 4
6. 2x2 +5x+2, 2x2 -x-1=
7. a (b – 1), 8(1 –b)=
8. y3 – y2,y4 – y2 =
a) ( 1 + 1 ) ( b ) =
b3+b2 -6b b3 – 6b2 b - 2
b) ( 1 - x ) ( 1 ) =
x2 + 10x + 25 x2 - 25 x2 + 10x +25
c) ( 1 + c ) ( 1 ) =
c2 + c c2 + 2c +1 c2 - 1
1. (x + 8) (x + 6) : 0
2. (x + 12) (x – 11): 0
3. y(y – 13):0
4. (7x – 28) (28x – 7):0
5. 1 x ( 2 x – 12 ):0
2 3
1. 6x2 + x : 2
2. 3x2 + 8x -35: 0
3. 3x2 + 8x + 3 : 0
4. (x + 4) (x – 4): 8(x – 2)
5. 123x2 : 0
6. 8x2 : 24x + 2
1) (a – 3) (a + 5):
2) x (x + 5) : 0
3) 0: y (y + 10)
4) 2x (3x - 2) : 0
5) ( 1 – 3x) ( 1 – 2x) :0
3 5
6) x2 – 8 : 0
7) 12y2 – 5y :2
8) 64m2 : 81
9) x2 – 3x : 0
10) 2y2 + 12y:10
11) 100t2: 49
12) x2 – 4 – 3 (x –2)2:0
13) 4x (x –20) +5:0
14) 8x2 + x : 0
15) 5x (x –2) +6:0
16) 2x2 – 8 : 0
17) 3x2 + 12 : 0
1. x2 +6x +5 : 0
2. x2 +7x+6 : 0
3. x2 +7x – 18 : 0
4. x2 +4x – 21 : 0
5. b2 – 8b + 15 : 0
6. x2 – 9x + 14 : 0
Found 2 solutions by jim_thompson5910, Fombitz:
Answer by jim_thompson5910(35256)   (Show Source):
Answer by Fombitz(32388)  (Show Source):
You can put this solution on YOUR website! Ummm, where are you having the problem exactly?
Also, could please you break up the posting into individual problems?
Please re-post.
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