Saturday

August 30, 2014

August 30, 2014

Posted by **Susan** on Sunday, September 5, 2010 at 9:50am.

12r^2 +36rf +27f^2

5x^5-20x^4+30x^3

Can anyone please help me with these two problems. I have to get them done and do not understand them. Please help me.

- math -
**Reiny**, Sunday, September 5, 2010 at 10:04am12r^2 +36rf +27f^2

= 3(4r^2 + 12rf + 9f^2)

= 3(2r+3f)(2r+3f) or 3(2r+3f)^2

5x^5-20x^4+30x^3

= 5x^3(x^2 - 4x + 6)

**Related Questions**

Math - Find the intersection of two lines. i have the answer just please tell ...

Algebra: factoring - I need to find the value of x. 9x^3 + 9x = 30x^2 It's ...

math situattion - please help factor completely 4r^2+9-12r

Algebra - I need help trying to put the correct vocabulary words when solving ...

Math - PLEASE HELP ME FACTOR COMPLETLEY. 25w^2-144

Algebra - I need help trying to put the correct vocabulary words when solving ...

math(please help me!!) - 4x^2+20x+5y+xy *you have to factor by grouping,for more...

Algebra-Please check - 5 - sqrt of 20x + 4 >= -3 5- 20x + 4 >= -3 5-4 - ...

Math Please Help me!!! - 3x^2+17x+10 *You have to factor completley but I don't ...

Algebra - Can someone help me with this please. Andrew factored the expression ...