SOLUTION: please help me to do the binomials. factor and check: 1. 2y^2 - 18 2. 125z^3 - 27 3. 3x^4 - 12y^6 Thankyou:D

Algebra ->  Test -> SOLUTION: please help me to do the binomials. factor and check: 1. 2y^2 - 18 2. 125z^3 - 27 3. 3x^4 - 12y^6 Thankyou:D      Log On


   



Question 760796: please help me to do the binomials.
factor and check:
1. 2y^2 - 18
2. 125z^3 - 27
3. 3x^4 - 12y^6
Thankyou:D

Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
2y^2 - 18
2(y^2 - 9)
2(y - 3)(y+ 3)
125z^3 - 27
(5z - 3)^3
3x^4 - 12y^6
3(x^4 - 4y^6)
3(x^2 - 2y^3)(x^2 + 2y^3)
Hope this helps.
:-)