Question

A painting includes a frame of a fixed width around the painting. The total area of the painting is represented by the expression (4+2x)(9+2x) . What does the (9+2x) represent?

Answer 1

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➷ (9 + 2x) would represent the length of the actual painting plus the fixed width of the frame

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Answer 2

(9+2x) represents the total length of the painting

Explanation:

A painting includes a frame of a fixed width around the painting. The total area of the painting is represented by the expression (4+2x)(9+2x)

LEt x be the width of the frame

Length of the painting is 9 , the width of the frame is x

so total length of the frame and painting is 9 + x+x

so (9+2x) represents the total length of the painting