exam Maths Puzzle Numerical Ability

Simplify:


Add: (3x to 2nd power - 5x to 3rd power - x) -2(x to 3rd power - 3x + 4)

Multiple (3x -5)(7x -5)

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exam Other Question

you are forming a portfolio with half your money in stock a and half in b. stock a beta of 2, stock b beta of 1.4. 40% chance that market will return 10% and 60% chance it will r Please someone help me to solve this radical and simplify the expression

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