Question

a. (x - 2) (x + 2) =
b., (a + 3) (a - 3) =
CA
(2x - 5) (2x + 5)​

Answer 1

\:\:x,\:A\(x-2\r)\t(x+2\)=CA\2x-5\(2x+5\r :d x=\frac{\-4C+1\t(25C-4)}}{1-4C},\:x=-\frac{-\-4C+1\r(25C-4\)}}{1-4C};