Problema Solution
the area of a rectangle is 8x^2+2x-1.The width of the rectangle is 4x-1. What is the length of the rectangle?
Answer provided by our tutors
Since the area equals the width multiplied by the length we find the length by dividing the area 8x^2+2x-1 with the width 4x-1:
(8x^2+2x-1):(4x-1) = 2x + 1
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The length of the rectangle is 2x + 1.