exam
Maths Puzzle
Numerical Ability
Would you please help me with this problem ;0).
x over x-2, subtract x+1 over x = 8 over x^2-2x
I think the LCD is x^2-2x. I am lost from here. Thank you for your help.
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exam Other Question
Divide. Then simplify by taking roots, if possible. Assume that all expressions under radicals represent positive numbers.
root ( 3, 270a^7b^5 ) / root ( 3, 10a^5b^4 )
Please help me with thses 2 problems and thanks
Factor completely: 9x^2-16y^2
Factor completely: 3x^2-2x-8