n5-18n4-3n3 divided by n3

Please help, ASAP!

n5-18n4-3n3 divided by n3

Please help, ASAP!

Please help, ASAP!

- on Sun Feb 22, 2009 10:06 pm
- Forum: Beginning Algebra
- Topic: dividing polynomials: n5-18n4-3n3 divided by n3
- Replies:
**2** - Views:
**1714**

- on Wed Feb 25, 2009 7:47 pm
- Forum: Beginning Algebra
- Topic: dividing polynomials: n5-18n4-3n3 divided by n3
- Replies:
**2** - Views:
**1714**

factor x^-1/2 + x^5/2

the -1/2 and 5/2 are powers

i dont see how anything comes out?

the -1/2 and 5/2 are powers

i dont see how anything comes out?

- on Wed Feb 25, 2009 10:20 pm
- Forum: Intermediate Algebra
- Topic: factor x^-1/2 + x^5/2
- Replies:
**3** - Views:
**2953**

so its (square root of x)(1+x)(1+x+x^2)/x?

- on Wed Feb 25, 2009 11:35 pm
- Forum: Intermediate Algebra
- Topic: factor x^-1/2 + x^5/2
- Replies:
**3** - Views:
**2953**

i have to simplify [sqrt(17)+sqrt(7)]*[sqrt(17)-sqrt(7)]

does that mean multiply it out? how do i do that?

does that mean multiply it out? how do i do that?

- on Fri Feb 27, 2009 5:44 pm
- Forum: Intermediate Algebra
- Topic: simplify [sqrt(17)+sqrt(7)]*[sqrt(17)-sqrt(7)]
- Replies:
**3** - Views:
**2042**

- on Sat Feb 28, 2009 8:19 pm
- Forum: Intermediate Algebra
- Topic: simplify [sqrt(17)+sqrt(7)]*[sqrt(17)-sqrt(7)]
- Replies:
**3** - Views:
**2042**

Solve the system using the substituation method...

x=5y - 2

2x + y = -4

not sure of what im doing?

x=5y - 2

2x + y = -4

not sure of what im doing?

- on Sun Mar 01, 2009 10:21 pm
- Forum: Beginning Algebra
- Topic: solve by substitution: x=5y - 2, 2x + y = -4
- Replies:
**2** - Views:
**2540**

y=0

x=0-2=-2

thnx

x=0-2=-2

thnx

- on Mon Mar 02, 2009 6:45 pm
- Forum: Beginning Algebra
- Topic: solve by substitution: x=5y - 2, 2x + y = -4
- Replies:
**2** - Views:
**2540**

3. Express y= -2x^2 + 28x-26 in factored form

6. Express y= -9x^2 + 72x +81 in vertex form

help plz!!!

6. Express y= -9x^2 + 72x +81 in vertex form

help plz!!!

- on Sat Mar 07, 2009 9:57 pm
- Forum: Beginning Algebra
- Topic: Express y=-2x^2+28x-26 in factored form, y=-9x^2+72+81 in ve
- Replies:
**4** - Views:
**2211**

3. -2 is the common factor? so i get -2(x^2+14-13), but i cant factor this?

4. -9(x^2+72x)+81 but i dont knoe what to do next?

4. -9(x^2+72x)+81 but i dont knoe what to do next?

- on Wed Mar 11, 2009 12:03 pm
- Forum: Beginning Algebra
- Topic: Express y=-2x^2+28x-26 in factored form, y=-9x^2+72+81 in ve
- Replies:
**4** - Views:
**2211**