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10 November, 14:44

A wooden beam is left parenthesis 6 y squared plus 5 y plus 1 right parenthesis6y2+5y+1 meters long. If a piece of length left parenthesis y squared minus 12 right parenthesisy2-12 meters is cut off, express the length of the remaining piece of beam as a polynomial in y.

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  1. 10 November, 15:07
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    5y² + 5y - 11

    Step-by-step explanation:

    The length of a wooden beam is as a function of y

    L (y) = 6y² + 5y + 1

    and a piece of length y² - 12 is cut off the remaining piece is

    6y² + 5y + 1 - y² - 12 = 5y² + 5y - 11
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