SOLUTION: The length of a rectangle is 4 more than twice the width, x. Express the area of the rectangle in terms of x.
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Question 660602: The length of a rectangle is 4 more than twice the width, x. Express the area of the rectangle in terms of x.
Answer by ReadingBoosters(3246) (Show Source): You can put this solution on YOUR website!
l = 4 + 2x
a = lx
Substitute the first equation in the second
a = (4 + 2x)x
a = 4x + 2x^2
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