Multiply using the rule for the product of the sum and difference of two terms. Assume any variable exponents represent whole numbers.[2y + (4x + 5)][2y - (4x + 5)]
A. 4y2 - 16x2 - 40x - 25
B. 4y2 - 16x2 - 20x - 25
C. 4y2 - 16x2 + 40x + 25
D. 4y2 - 16x2 - 40x + 25
Answer: A
Mathematics
You might also like to view...
For the pair of functions, find the indicated domain.f(x) = x2 - 1, g(x) = 2x + 3Find the domain of f - g.
A. (-1, 1) B. [1, ?) C. [0, ?) D. (-?, ?)
Mathematics
Simplify. Assume that variables can represent any real number.
A. 3
k3q4
B. 3
k2
q8
C. 3k3q4 
D. 3
k2
q4
Mathematics
Find the inverse matrix of A.A = 
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression.|8| ? |-6|
A. -40 B. -48 C. 48 D. 40
Mathematics