exam
Maths Puzzle
Numerical Ability
Okay, I know I need to do cross cancelation, but when doing that you do not mess with the exponents do you?
2x^5/7y^2 X 21y^11/5x^9
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exam Other Question
b-2/b^2-4
b^2+b/b+1
factor, divide and simplify
Solve for x:10^x^2 - x = 100
Please show me the steps to get to the answer, which is x = -1 or 2
Cheers my friend