tutorials - how to multiply monomials

for students with 6-7 years of schooling

http://www.youtube.com/watch?feature=player_embedded&v=3NgJ1pW8CAY

Tutorial - adding and subtraction of monomials

for students with 6-7 years of schooling

http://www.youtube.com/watch?feature=player_embedded&v=1tfVF9nirEM

tutorial - how to identify the numerical coefficients of monomials,

for students with 6-7 years of schooling

http://www.youtube.com/watch?feature=player_embedded&v=3eDu1zLYqPg

tutorial - how to identify the numerical coefficients of monomials

for students with 6-7 years of schooling


http://www.youtube.com/watch?feature=player_embedded&v=gjzpd6DcW0k


http://www.youtube.com/watch?feature=player_embedded&v=_ZPtY7GldPI

range of expression

if (3 - x)(6 - x) <=0

find the range of values of x for which this expression is true.

Algebra

 

Algebra

 

Algebra

If x = (b – c)(a – d), y = (c – a)(b – d), z = (a – b)(c – d)

Find the value of x³ + y³ + z³ – 3xyz

Algebra

 

Algebra

If (a + b + c)x = (-a + b + c)y = (a – b + c)z = (a – b – c)w

Then show that: 1/y + 1/z + 1/w = 1/x

Algebra

4x² + y² = 10   ---------------------  (1)

2x + y = 4    ------------------------ (2)

Algebra

If x + 1/x = y, then show that 

Show that x⁵ + 1/x⁵ = y⁵ – 5y³ + 5y

find the value

Given that abc = -9

And ab + bc + ca = 6

And a + b + c = 6

Find the value of (a² + b² + c²) (1/a² + 1/b² + 1/c²)

Algebra

  

Algebra

  

algebra

Algebra

 

algebra

 

Algebra

if 2/x = 1/a + 1/b then find 1/(x -a)  + 1/ (x -b)

Algebra

show that:
If (a + 1/a)^2 = 3. 

a^3 + 1/ a^3 = 0