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17 January, 11:17

A rectangle has a height of 3 and a width of 3x2 + 4x.

Express the area of the entire rectangle.

Expression should be expanded.

332

43

Area =

+5
Answers (1)
  1. 17 January, 11:28
    0
    9x² + 12x

    Step-by-step explanation:

    We are told that the height of this rectangle is 3 and the width is 3x² + 4x.

    Area = height x width

    = 3 (3x² + 4x)

    = 9x² + 12x
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