The area of a rectangle is 66 m2, and the length of the rectangle is 7 m less than three times the width. find the dimensions of the rectangle.

Question

Mathematics

Carl Soto

16 October, 02:04

The area of a rectangle is 66 m2, and the length of the rectangle is 7 m less than three times the width. find the dimensions of the rectangle.

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Alberto Adams · Answer 1

Based on my calculations, you can substitute the second equation back into the first. (3W-7) * W = 66 Then 2W^2-7=663W^2 - 7W - 66 = 0 (3W+11) (W-6) = 0. You set each factor equal to 0 (zero product property)