(3x2-5x +7) +(x2 +2x -1)

=(3x2 +x2) (-5x + 2x) (7 -1)

=(4x2) (-3x) (7)

Why does (7 -1) =7 and not 6

and what word do I use to raise my 2 tosquare or to the power of

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- January 20th 2009, 08:25 AMLeona_Mariestill working on poly
(3x2-5x +7) +(x2 +2x -1)

=(3x2 +x2) (-5x + 2x) (7 -1)

=(4x2) (-3x) (7)

Why does (7 -1) =7 and not 6

and what word do I use to raise my 2 tosquare or to the power of - January 20th 2009, 08:35 AMprincess_21
- January 20th 2009, 08:38 AMearboth
- January 20th 2009, 09:29 AMLeona_Marie
I also thought it was 6 but I use this web sight to taech myself,and 7 was the answer I was given. I know how to use 4x^2, but I would rather use

4x2 meaning 4x times 2 is different than 4x squared by 2. I just wanted to know which font I would use to make a small 2 above the x.(Giggle) - January 20th 2009, 09:34 AMLeona_Marie
- January 20th 2009, 04:49 PMprincess_21
- January 20th 2009, 08:47 PMLeona_Marie