math
posted by v .
factor 100x^2  81

(10x9)(10x+9)

100x2 + 90x  90x  81 =
Answer:100x2  81 
correct. The difference of two squares it is.
posted by v .
factor 100x^2  81
(10x9)(10x+9)
100x2 + 90x  90x  81 =
Answer:100x2  81
correct. The difference of two squares it is.