SOLUTION: I need help solving [3+(4b+1)]^2 I know what the answer should be, 16b^2+32b+16 but I am not sure how to actually work the problem out to find the answer.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: I need help solving [3+(4b+1)]^2 I know what the answer should be, 16b^2+32b+16 but I am not sure how to actually work the problem out to find the answer.      Log On


   

Question 60222This question is from textbook Intermediate Algebra
: I need help solving [3+(4b+1)]^2 I know what the answer should be, 16b^2+32b+16 but I am not sure how to actually work the problem out to find the answer. This question is from textbook Intermediate Algebra

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
[3+(4b+1)]^2
[3+4b+1]^2
[4b+4]^2
(4b+4)(4b+4) use the FOIL process First*First, Outer*Outer, Inner*Inner, Last*Last
4b*4b+4*4b+4*4b+4*4
16b^2+16b+16b+16
16b^2+32b+16
YOU HAVE THE CORRECT ANSWER.
HOPE THIS HELPS :)