Asked by Anonymous
write an expression that represents the width of a rectangle with length x+5 anmd area x to the 3 power + 12x to the 2nd power+ 47x+60
Answers
Answered by
drwls
Divide the area by the length.
width = (x^3 + 12x^2 +47x +60)/(x + 5)
That ratio can be simplified by factoring x+5 out of the numerator, and cancelling it with the deominator.
You will be left with x^2 + 7x + 12
for the length.
width = (x^3 + 12x^2 +47x +60)/(x + 5)
That ratio can be simplified by factoring x+5 out of the numerator, and cancelling it with the deominator.
You will be left with x^2 + 7x + 12
for the length.
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