exam Maths Puzzle Numerical Ability

Can you please help me solve using the quadratic equation?

x^2 + 2x - 24 = 0

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exam Other Question

I need help with answering this problem. Thanks!

Factor Completely: a(to the power of 4) -(minus) b(to the power of 4) The circumference of a circle is 20Pi. What is the area of the circle? Leave your answer in terms of Pi