Asked by tyneisha
(4x+y)^2
answer:16x^2+y^2
is this correct?
answer:16x^2+y^2
is this correct?
Answers
Answered by
Steve
not quite
(4x+y)(4x+y) = 16x^2 + 4xy + 4xy + y^2
= 16x^2 + 8xy + y^2
You can always check your results by evaluating with numbers. For example, if x=1 and y=2,
(4+2)^2 = 36
16*4+1 = 65
a good sign your result is wrong
(4x+y)(4x+y) = 16x^2 + 4xy + 4xy + y^2
= 16x^2 + 8xy + y^2
You can always check your results by evaluating with numbers. For example, if x=1 and y=2,
(4+2)^2 = 36
16*4+1 = 65
a good sign your result is wrong
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.