Friday

September 19, 2014

September 19, 2014

Posted by **Gilda** on Tuesday, October 4, 2011 at 5:48am.

Expand and Simplify 3(3x-y)^2

- Maths -
**Reiny**, Tuesday, October 4, 2011 at 8:17am3(3x-y)^2

= 3(3x-y)(3x-y)= 3(9x^2 - 3xy - 3xy + y^2)

= 27x^2 - 18xy + 3y^2

**Answer this Question**

**Related Questions**

Maths - How do i expand and simplify (2x+5) (3x-4)

Maths - Please can you expand and simplify the following: (2x-5)(x+3) Many ...

maths - Solve 5x + 3y = 4 3x + 4y = 9 Just a bit confused Please help

Maths - Expand and simplify expression for the area of an rectangle Shorter side...

maths - given that x+1/x=3 (a) expand (x+1/x)^3 and use your expansion to show ...

Math 8R - HELP! (homework qs. check) - Simplifying Algebraic Expression Using ...

Maths - Expand ln(1+x) and ln(1-x) and hence deduce that ln((y+1)/(y-1))=[2/y]+[...

Maths Important - How would you draw the graph of this x^2/16 + y^2 = 1 ( this ...

Maths B - Hi, i was just wondering if you could help me with how to work out ...

algebra 1 help - simplifying square roots 1) find volume of this prism? v=bwh b...