exam Maths Puzzle Numerical Ability

Please help: Let f(x) = x^2 + 2x-5 and g(x) = x^2 + x. Find (f + g)(x)

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exam Other Question

The rectangle of maximum area that could be inscribed inside a right angle triangle has dimensions equal to half the lengths of the sides adjacent to the rectangle. Prove that this solve
49x^2-4