exam Maths Puzzle Numerical Ability

What are the roots of y=x^2+2x-3

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exam Other Question

When John F. Kennedy was Sworn in as President, he was 1 year older than Teddy Roosevelt was when Roosevelt took the office. If the sum of their when each became President was 85, how wold was Kennedy when he was sworn in? Determine whether each of the following trinomials is a perfect square. If it is, factor the
trinomial.

x(squared)-24x+48

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