Question: 3.1 Solve for x by completing the square: 6-4x= x 3.2 The length of a rectangle is three times as long as its width.

3.1 Solve for x by completing the square: 6-4x= x 3.2 The length of a rectangle is three times as long as its width. The area of the rectangle is 90m. Calculate the length and the width of the rectangle. 3.3 Make D the subject of the following formula: x = 4Dh-4h
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