kmsheary
1 Answer
lindilou
http://www.purplemath.com/modules/simpfact2.htm
- Factor x2y3 + xy
I can factor an "x" and a "y" out of each term: x2y3 = xy(x1y2) = xy(xy2) and xy= xy(1).
x2y3 + xy = xy( )
= xy(xy2 )
= xy(xy2 + 1)
Remember: When "nothing" is left after factoring, a "1" is left behind in the parentheses.
- Factor 3x3 + 6x2 – 15x.
I can factor a "3" and an "x" out of each term: 3x3 = 3x(x2), 6x2 = 3x(2x), and
–15x = 3x(–5). Being careful of my signs, I get:
3x3 + 6x2 – 15x = 3x( )
= 3x(x2 )
= 3x(x2 + 2x )
= 3x(x2 + 2x – 5)
| 9 years ago. Rating: 2 | |
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