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Mathematics 16 Online
OpenStudy (anonymous):

Find the area of the shaded region.

OpenStudy (anonymous):

OpenStudy (anonymous):

The area of the big rectangle is (x+4)(x+5) And the area of the little rectangle is x(x-3). The area of the shaded region is the big rectangle without the little one! So therefore, A = (x+4)(x+5)-x(x-3)

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