40 times a number added to the negative square of that number can be expressed a

Algebra
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40 times a number added to the negative square of that number can be expressed as:

A. A(x) = x2 + 20x.

B. A(x) = -x + 30x.

C. A(x) = -x2 - 60x.

D. A(x) = -x2 + 40x.

May 28th, 2015

d...............................................................................................

May 28th, 2015

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May 28th, 2015
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