A square has a side length of 6x+2. a rectangle with width 3x+1 has the same area as the square. what is the length of the rectangle?

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Let A the area of the square, Ar the area of a rectangle, l length and w  width, s sides. A=Ar A= s² Ar= lw A= (6x+2)² (6x+2)²= l w (6x+2)²= l (3x+1) 2(3x+1)(6x+2)= l (3x+1) l= 2(6x+2)= 12x+4  so length is 12x+4


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