SOLUTION: (2a + b) (2a - b) = a) 4a2 + b2 b) 4a2 � b c) 4a2 + b2 + 4ab d) 4a2 + b e) 4a2

SOLUTION: (2a + b) (2a - b) = a) 4a2 + b2 b) 4a2 � b c) 4a2 + b2 + 4ab d) 4a2 + b e) 4a2 - b2

Question 977953: (2a + b) (2a - b) =
a) 4a2 + b2
b) 4a2 � b
c) 4a2 + b2 + 4ab
d) 4a2 + b
e) 4a2 - b2

Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
It is E.
This is a difference of squares, and it multiplies as the square of the first MINUS the square of the second.
(2a+b)(2a-b)=4a^2-2ab+2ab-b^2=4a^2-b^2.
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