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if the length, width and height of the rectangular shaped glasses (in terms of inches) can be represented by 4x 3y, 2x - y, and 5 respectively, find the polynomial expression that represents the volume of each glass.write your answer in descending order. please use the palette below to enter your answer.

Respuesta :

Answer:

Step-by-step explanation:

ANSWER: 40x^2+10xy-15y^2

Lenth * Width * Height:

(4x+3y)*(2x-y)*5

Distribute 5 through the parentheses :

(20x+15y)*(2x-y)

Simplify:

40x^2-20xy+30xy-15y^2

Collect like terms:

40x^2+10xy-15y^2

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