exam
Maths Puzzle
Numerical Ability
3. Simplify:
√[81x12y8z10
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I do not understand how to work this problem: y=x^3-8x. I know that the y-intercept is (0,0), but I can not figure out how to find the x-intercepts.
divide
x2 - 9x + 20 � x2 - 25
------------ � ---------
6x - 4 � 2x + 10
I am totaly stumped, please help!!!
