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4. Consider the rectangle shown below: A = 24x3 - 54x2 - 15x 6x2 - 15x (3 marks) a) Write and simplify an expression for

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4. Consider the rectangle shown below: A = 24x3 - 54x2 - 15x 6x2 - 15x (3 marks) a) Write and simplify an expression for the length of the rectangle. b) Determine the perimeter of the rectangle if x = 2v2 cm. Give the answer in simplest (2 marks) radical form

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