Friday

April 18, 2014

April 18, 2014

Posted by **Sarah** on Sunday, July 29, 2007 at 9:54pm.

3x^2 - 27

3x^2-27=0

27+(3x^2-27)=0+27

3x^2=27

(3x^2)/3=27/3

x^2=9

x=3

Since there is 3x^2, one term must contain 3x and the other x. 27 factors into 3*3*3 or 3*9. With this information, you should be able to factor it yourself.

I hope this helps. Thanks for asking.

- Algebra -
**Anonymous**, Monday, April 15, 2013 at 2:27pmX/4+x/5=27

**Related Questions**

Math - I am working on linear equations. Is this answer correct? -27=8x-5x -27=...

Math - Find X 27^4x-2=243^3x+6 Please explain how to do it. Thanks 27^(4x-2)=243...

math,help,algebra - Can someone show me how to solve these types of problems. i ...

Algebra - Using rational zero theorem find all rational zeros P(x)=3x^3+43x^2+...

sequence - defining function is f(x) = 3x+b. If 27 is a member of this sequence...

Math - Find X 27^4x-2=243^3x=6 Please Explain Thanks Is this a repeat of the ...

Pre-Calculus - Could someone check my answers? 25. 32^(2x-3)=2 Answer- x= 8/5 26...

Math - 3x-4 to y+15 is constant and y=3 when x=2 then when y=12, x equals? My ...

Algebra 1 ( bobpursley) - 1. Write an equation in slope-intercept form for the ...

math - 2x^3+4x^2-3x^2-6x when x=3 I did2(3)^3+4(3)^2-3(3)^2-6(3) 2(27)+4(9)-3(9...