Asked by help
The length of a rectangle is represented by 2x + 3 and the width by 2x -1. Find the perimeter as a polynomial in simplest form.
Answers
Answered by
Bosnian
P = 2 L + 2 W
P = 2 ( 2 x + 3 ) + 2 ( 2 x - 1 )
P = 4 x + 6 + 4 x - 2
P = 8 x + 4
P = 4 ∙ 2 x + 4
P = 4 ( 2 x + 1 )
OR
P = 2 ( L + W )
P = 2 ( 2 x + 3 + 2 x - 1 )
P = 2 ( 4 x + 2 )
P = 2 [ 2 ( 2 x + 1 ) ]
P = 2 ∙ 2 ∙ ( 2 x + 1 )
P = 4 ( 2 x + 1 )
P = 2 ( 2 x + 3 ) + 2 ( 2 x - 1 )
P = 4 x + 6 + 4 x - 2
P = 8 x + 4
P = 4 ∙ 2 x + 4
P = 4 ( 2 x + 1 )
OR
P = 2 ( L + W )
P = 2 ( 2 x + 3 + 2 x - 1 )
P = 2 ( 4 x + 2 )
P = 2 [ 2 ( 2 x + 1 ) ]
P = 2 ∙ 2 ∙ ( 2 x + 1 )
P = 4 ( 2 x + 1 )
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