х²+ 10x - y²- 2y+24 = х²+ 10x - y²- 2y+25 -1 = х²+ 10x+25 - ( y²+2y+1) =
= (х+5)²- (у+1)²= (х+5+у+1)(х+5-у-1) = (х+у+6)(х-у+4)
х²+ 10x - y²- 2y+24 = х²+ 10x - y²- 2y+25 -1 = х²+ 10x+25 - ( y²+2y+1) =
= (х+5)²- (у+1)²= (х+5+у+1)(х+5-у-1) = (х+у+6)(х-у+4)