# math

posted by .

A gardener wants to create a rectangular garden with length of 8x - 4y ft. and width of 5x + 9y ft. What is an algebraic expression for the area of the garden?

• math -

(8x-4y)*(5x+9y)=5x*8x-5x*4y+9y*8x-9y*4y=

40x^2-20xy+72xy-36y^2=

40x^2+52xy-36y^2

## Similar Questions

1. ### algebra

Jeffrey is building a rectangular flower garden, width is "w" and length is w + 3. Write a a mathematical expression for the length and an algebraic expression for the area of the garden in binomial descending order.
2. ### algebra

A gardener wants to create a triangular garden in the shape of a right triangle with shortest side length x – 2y ft. and the middle length side x + 4y ft. What is an algebraic expression for the area of the garden?
3. ### intermediate algebraDivide

Essay: Show all work. A gardener wants to create a rectangular garden with length of 2x-3y ft. and width of x+4y ft. What is an algebraic expression for the area of the garden?
4. ### algebra

Essay. Show all work. A gardener wants to create a triangular garden in the shape of a right triangle with the shortest side length x-3y ft. and the middle length side x+6y ft. What ia an algebraic expression for the area of the garden?
5. ### algebra

Essay. show all work. A gardener wants to create a triangluar garden in the shape of a right triangle with shortest legth x-3y ft. and the middle length side x+6y ft. What ia an algebraic expression for the area of the garden?
6. ### intermediate algebra

Essay.Show all work. A gardener wants to create a rectangular garden with the length of 3x-2y ft. and the width of 3x-3y ft. What is an algebraic expression for the area of the garden.Be sure to multiply this out.Express in the simpliest …
7. ### Unknow

A man has a rectangular garden. One length of the garden lies along a patio wall. However the rest of the garden is enclosed by 32 feet of fencing. If the length of the garden is twice its width, what is the area of the garden.
8. ### Math

the width w of a rectangular garden is x-2 the area of the garden is x^3-2x-4 what is an expression for the length of the garden
9. ### math

a person has a rectangular garden one length of the garden lies along the patio wall. however the rest of the garden is enclosed by 30 ft of fencing. if the length of the garden is three times its width, what is the area of the garden
10. ### math

3) You are fencing a rectangular puppy kennel with 25 ft of fence. The side of the kennel against your house does not need a fence. This side is 9 ft long. Find the dimensions of the kennel. 4) A gardener is planning a rectangular …

More Similar Questions