Learning Task 5: Solve this in your notebook. 1. Suppose that you friend factors x2y + 36xy like this: *** - 3€ - 2. ** - : Is this correct? Would you suggest any changes? 2. If the sum of the square of the number and 4 time the number is 21, what is the number? 3. The length of the rectangle is 3 less than twice the width. If the area is g square ft, the length and width of the rectangle. 4. Given the figure below. Find the area of the shaded part of the rectangle if the area of the big rectangle is 6 times the area of the unshaded rectangle 2x 3 х 3 3​