25z²-(2t+3z)²= (5z)²-(2t+3z)²=
= (5z-(2t+3z) ) * (5z+(2t+3z) ) = (5z-2t-3z ) * (5z+2t+3z ) =
=(2z-2t ) * (8z+2t )
25z²-(2t+3z)²= (5z)²-(2t+3z)²=
= (5z-(2t+3z) ) * (5z+(2t+3z) ) = (5z-2t-3z ) * (5z+2t+3z ) =
=(2z-2t ) * (8z+2t )