Question

factor:
see below>>>>>

Answer 1

\[16x ^{2}-121y ^{2}\]

Answer 2

not factorable??

Answer 3

try using difference of two squares

Answer 4

can you find anything that goes into 121?

Answer 5

i'll give you a hint:16x^2=(4x)^2 and 121y^2=(11y)^2

Answer 6

oh I was looking for a number that goes into both

Answer 7

they don't have a common divisor so you must lok for another rule
\[a^{2}-b^{2}=(a-b)(a+b)\]

Answer 8

\[(4x-11y)(4x+11y)??\]

Answer 9

yes

Answer 10

thank you I was lost

Answer 11

np