Stir-fry is Felix's favorite food to cook, but it always makes a lot of smoke! Felix needs to know the volume of his kitchen so he can buy a fan that is the right size. Felix's kitchen has a floor area of 85 square feet. The height of the ceiling is 8 feet. What is the volume of Felix's kitchen?

680

Step-by-step explanation:

85x8

680 cubic feet

Step-by-step explanation:

Answer & Step-by-step explanation:

(x² - 5x)(2x² + x - 3)

Multiply each term from the first expression into the second expression.

2x⁴ + x³ - 3x² - 10x³ - 5x² + 15x

Combine like terms.

2x⁴ - 9x³ - 8x² + 15x

So, after you multiply the expressions, your answer will be 2x⁴-9x³-8x²+15x.