exam Maths Puzzle Numerical Ability

I need help simplifying this...I am totally stumped!

Square root 12x + 2(square root x) + square root 50x

Thanks so much!

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exam Other Question
I need help solving:

7x-{3[4(x-2)-3(x+1)]-5(2x-3)}
 twenty-seven less than a number n

Which of the following algebraic expressions correctly represents the verbal expression?


A group of four friends decided to buy a b