Book Maths Puzzle Quadratic Equations

Find the product: (9x^2 + 3x -5)(-4x)

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what does a mean in the equation ax^2 + bx+c? answer as soon as you can Your company has decided to bring out a new washer and dryer to compete in a small targeted market. The washer will sell for $400 and the dryer will sell for $300 each. If the to