Posted by **Sheryl** on Monday, May 30, 2011 at 7:30pm.

1. A rectangle has an area of x3 + x2 – 7x + 2 square meters and a width of x – 2 meters. Find its length.

- Algebra 2 -
**Damon**, Monday, May 30, 2011 at 7:50pm
ah ha, so this is why you want to divide polynomials

*******______ x^2____________________

(x-2) | x^3 + x^2 - 7 x + 2

********x^3 -2 x^2

********--------------------

************+3 x^2 - 7 x + 2

*******______ x^2_+3x__-1____

(x-2) | x^3 + x^2 - 7 x + 2

********x^3 -2 x^2

********--------------------

************+3 x^2 - 7 x + 2

************+3 x^2 -6 x

************----------------

******************* -1 x + 2

******************* -1 x + 2

*******************-----------

**********Remainder = 0

so

x^2 +3 x - 1

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