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1 August, 21:45

Express both the perimeter and the area of the rectangle shown in the accompanying diagram as polynomials in simplest form.

X-4 and x+6

Fill in the coefficients:

Perimeter:

Area:

+5
Answers (1)
  1. 1 August, 23:36
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    Perimeter = 2 (x-4) + 2 (x+6)

    = 2x-8+2x+12

    = 4x+4

    area = (x-4) (x+6)

    = x²+2x-24
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