Factor the polynomial completely.
A) (8 + y ) (8 + 7 y )
B) (8 - 7 y ) (8 + 7 y )
C) (64 - 7 y ) (64 + 7 y )
D) (8 - 49 y ) (8 + 49 y )
E) none of these

Question

Factor the polynomial completely. 
A) (8 + y ) (8 + 7 y ) 
B) (8 - 7 y ) (8 + 7 y ) 
C) (64 - 7 y ) (64 + 7 y ) 
D) (8 - 49 y ) (8 + 49 y ) 
E) none of these

Quizplus · Accepted Answer

This polynomial can be factored using the difference of squares method by noticing that it is in the form of (a^2 - b^2) where a = 8 and b = 7y. So using the formula (a^2 - b^2) = (a + b) (a - b), we get (8 + 7y) (8 - 7y). Therefore, the best choice is B.

Factor the Polynomial Completely