SOLUTION: solve the equation for y y^3/2 -12y^1/2 +32y^-1/2 =0 HELP!!! TY!

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Question 637582: solve the equation for y
y^3/2 -12y^1/2 +32y^-1/2 =0
HELP!!! TY!

Answer by meetkisai(17) About Me  (Show Source):
You can put this solution on YOUR website!
y^3/2 -12y^1/2 +32y^-1/2 =0
=> +y+%2A+sqrt%28y%29+-+12+%2A+sqrt%28y%29+%2B+32+%2F+sqrt%28y%29+=+0+
=> y%5E2+-+12y+%2B+32+=0
=> y%5E2+-+8y+-4y+%2B+32+=+0
=> %28y-8%29+%28y-4%29+=+0
=> y=(8, 4)