Posted by **Jane** on Wednesday, March 21, 2012 at 12:23pm.

Please explain how to set this up and how to solve:

A school's rectangular athletic fields currently have a length of 125 yd and a width of 75 yd. the school plans to expand both the length and the width of the fields by x yards. What polynomial is standard form represents the area of the expanded athletic field?

- math -
**Bosnian**, Wednesday, March 21, 2012 at 12:33pm
A = Area

L = Lenght

W = Width

New lenght L = 125 + x

New width W = 75 + x

A = W * L

A = ( 125 + x ) * ( 75 + x )

A = 75 * 125 + 75 * x + x * 125 + x * x

A = 9375 + 75 x + 125 x + x ^ 2

A = x ^ 2 + 200 x + 9375

- math -
**PsyDAG**, Wednesday, March 21, 2012 at 12:34pm
(x+125)(x+75) = Area

- math -
**Jane**, Thursday, March 22, 2012 at 9:23am
I loved the way you broke it down and explained it to me in detail. What a great help!

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