Finding length and area of rectangle

The length of a rectangle is 4 feet less than twice its width. If the area of the rectangle is 240 square fee, then its dimensions are:
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???????????? "dimenshuns" ???????????... me assume yu wanna get leng & wide...how big... leng=2*wide-4... area=leng*wide=wide*[(2*wide) -4]=240... 2*wide^2 -4wide-240=0... wide^2 -2wide-120=0... quadratik equashun giv wide=12 or -10..... wide=12, so leng=2*12-4=24-4=20
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