20 point question simplify: −3x+2x-2y-5x+y+7y
2 answers:
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It belongs to the square root family. Your answer is B. Why the square root family? Because 
can be written as 
When you raise to 1/2 or 1/3 it is like saying the square root or the cube root.
When you raise to 1/2 or 1/3 it is like saying the square root or the cube root.