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March 29, 2015

March 29, 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!

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