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1. A square painting is surrounded by a 2.5cm frame. If total area of a painting plus frame is 3600sq.cm, find the dimension of rhe painting.

2. The Area of a rectangle is given by the expression 4x²+5x-6.

a. What is the length of the retangle if its width is x+2

b. If x=8, what is the dimension of the rectangle?

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by AiraGabon

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