Learning Task 3: Solve. - 1. What is the area of the rectangle whose length is (x + 5) and width (x - 5)? 2. What is the area of the square whose sides measure (3x + 4)? 3. The area of the rectangle is 3x2 + 7x - 6, what is the length if the width is (x + 3) 4. What is the average speed of the car that covers a distance of (2y3—7y2 + 5y - 1) km in (2y—1) hour? 5. Multiply (m2 + 2m-2) by the sum of (m + 3) and (2m - 3) - -​