SOLUTION: Can someone please help?
Expand (x-2√y)(x+2√y) and simplify. Assume y ≥ 0
A. x^2-4x√y+y
B. x^2-4x√y+y
C. x^2+4y
D. x^2-4y
I got C? (x-
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Question 769520: Can someone please help?
Expand (x-2√y)(x+2√y) and simplify. Assume y ≥ 0
A. x^2-4x√y+y
B. x^2-4x√y+y
C. x^2+4y
D. x^2-4y
I got C? (x-2√y)(x+2√y)= x^2-2x√y-2x√y-4√y^2= x^2-4√y^2= x^2+4√y+y
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Can someone please help?
Expand (x-2√y)(x+2√y) and simplify. Assume y ≥ 0
A. x^2-4x√y+y
B. x^2-4x√y+y
C. x^2+4y
D. x^2-4y
I got C? (x-2√y)(x+2√y)= x^2-2x√y-2x√y-4√y^2= x^2-4√y^2= x^2+4√y+y
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All the symbols are not appreciated. You're wasting your time and mine.
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It's the product of a sum and difference.
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