Emily 1.

asked • 01/06/16

Express that area of each figure as a polynomial in simplest form (rectangle)

(5a-3)(a+6)

2 Answers By Expert Tutors

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Michael J. answered • 01/06/16

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Use FOIL to multiply.
 
(5a * a) + (6 * 5a) + (-3 * a) + (-3 * 6) =
 
6a2 + 30a - 3a - 18 =
 
6a2 + 27a - 18
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Steven C.

Check your a^2 term
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01/06/16

Michael J.

The 6 should have been 5.  My finger missed the 5 on the keyboard.  Didn't realize it now.  I just wish I did not earn the negative vote for that small typo though.  My process was correct.
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01/06/16

Michael J.

*Didn't realize until now.
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01/06/16

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