exam Maths Puzzle Numerical Ability

Sorry I submitted this question wrong the last time. One little mistake makes all the difference.

3/x^2+4x+3 - 1/x^2-9

Sorry for the mistake! I appreciate your help!
ac

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exam Other Question

A triangle has a perimeter of 165 cm. The first side is 65 cm less than twice the second side. The third side is 10 cm less than the second side. Write and solve an equation to find the length of each side of the triangle. Can someone help me find a number log on a graphing calculator?

I need to find the number Log5(1/5).

Thanx!