Polynomial rectangle
If the length and width of a rectangle are (a2 - 6a + 4) and ( -2a2 - 9a + 3), find the area of the rectangle.
Correct answer:
![](/img/99/rectanglkes.webp)
You need to know the following knowledge to solve this word math problem:
- algebra
- expression of a variable from the formula
- arithmetic
- multiplication
- planimetrics
- area of a shape
- rectangle
Units of physical quantities:
Grade of the word problem:
We encourage you to watch this tutorial video on this math problem: video1
Related math problems and questions:
- The rectangle 7
The rectangle shown has a length (l) of 8 and a width (w) of 6.2. A second rectangle has a length of l + 2.5 and a width of w - 1.4. Find the area of the SECOND rectangle.
- The rectangle 6
The rectangle shown has a length (l) of 8 and a width (w) of 6.2. A second rectangle has a length of l + 2.5 and a width of w - 1.4. Find the area of the SECOND rectangle. (The area is in square units.)
- The area 3
The area of a rectangle is given by the expression 4x² + 5x -6. What is the length of the rectangle if its width is x+2?
- The rectangle 4
The rectangle above has a length of 7x and a width of 3. The perimeter of the rectangle is represented by the algebraic expression 14x + 6. Find the perimeter of the rectangle when x = 2.
- Rectangle - general expression
Find the area of a rectangle whose width is x-2 units and length of x+4 units.
- The length 19
The length and the width of a rectangle are (x+2) and (x-3). If it area is 24cm², what are its dimensions?
- Rectangular field 4
Find the perimeter of a rectangular field whose length measures 5.20 m and its width measures 3.4 m. (Use the formula: Perimeter= 2L+2W)