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

Algebra ->  Numeric Fractions Calculators, Lesson and Practice -> SOLUTION: (2a + b) (2a - b) = a) 4a2 + b2 b) 4a2 – b c) 4a2 + b2 + 4ab d) 4a2 + b e) 4a2 - b2       Log On


   

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) About Me  (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.