Mathematics, 08.06.2021 16:10, shelley3135

A square of side length x cm is cut from the centre of a square piece of card whose side length is 5cm longer than the side length of the square that is cut out. Find an expression for the area for the area of the card that remains.

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A square of side length x cm is cut from the centre of a square piece of card whose side length is 5...