exam Maths Puzzle Numerical Ability

2x^3y^3(-4x^2-2xy^4+y^3)

(A) -8x^5y^3-4x^4y^7+2x^3y^6

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exam Other Question

Write a quadratic equation based on the points (-1,0), (0.67,0), and (0,-2); and find its solution. 5. Mandy begins bicycling west at 20mph. Liz leaves from the same point 1 hour later bicycling west at 30mph. When will she catch up with Mandy?

a. Define the variables.
b. M