Question

factor completely 16v^2-121

Answer 1

recognize the difference of two squares
\[a^2-b^2=(a+b)(a-b)\]

Answer 2

in this case
\[a=4v,b=11\]

Answer 3

so you get
\[(4v+11)(4v-11)\]

Answer 4

difference of squares

Answer 5

take sqrt of 16 and sqrt121