Saturday

January 31, 2015

January 31, 2015

Posted by **Anonymous** on Tuesday, April 9, 2013 at 4:22pm.

- Algebra -
**rbowh**, Tuesday, April 9, 2013 at 4:31pmlet x = width

2x + 4 = length

A = lw

A = x(2x + 4)

400 = x(2x + 4)

400 = 2x^2 + 4x

200 = x^2 + 2x

x^2 + 2x = 200

do you know how to complete the square?

- Algebra -
**Anonymous**, Tuesday, April 9, 2013 at 4:31pmYes, I know how to do it from now. Thank you.

- Algebra -
**rbowh**, Tuesday, April 9, 2013 at 4:33pmGreat!

**Answer this Question**

**Related Questions**

algebra - A small painting has an area of 400 c m 2 . The length is 4 more than ...

Math - Small painting has area of 400^2... Length is 4 more than 2 times width...

Math Geometry - Marisol is painting on a piece of canvas that has an area of ...

Math Geometry - Marisol is painting on a piece of canvas that has an area of ...

Math - A square mirror has sides measuring 2 ft. less than the sides of a square...

Math, please help - A matte of uniform width is to be placed around a painting ...

please help, math question - A matte of uniform width is to be placed around a ...

Algebra - Area of a painting. A rectangular painting with a width of x ...

algebra - Area of a painting. A rectangular painting with a width of x ...

Math - A square painting is surrounded by a 3-cm-wide frame. If the total area ...