exam Maths Puzzle Numerical Ability

1.) graph: 5x^2 + 4y^2 + -25x + -36x + 45

thank you very much this will be helpful

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exam Other Question

can you help me rewrite the middle term as the sum of two terms and then factor completely?

x^2+5x-24 The supplement of an angle is 60 degrees less than twice the supplement of the complement of the angle. Find the measure of the complement.