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Diana.xL

  • one year ago

help plz!

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  1. Diana.xL
    • one year ago
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    http://prntscr.com/8fzbpc

  2. Diana.xL
    • one year ago
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    i need a step by step explanation

  3. mathmate
    • one year ago
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    You would factorize the area and see if x is one of the factors. For example, if the area is 35 and width is 5, then 1. factorize 35=7*5 2. Since the width is 5, so the length must be 7 so that 5*7=35=area. The idea is the same in algebra. All the unknowns are just numbers in disguise. In case you need to learn how to factor, try: http://www.purplemath.com/modules/factquad.htm

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