у=(3х²-5)(6х+5)
у⁾=((3х²-5)(6х+5))⁾ =(3х²-5)⁾(6х+5) +(3х²-5)(6х+5)⁾ =6х(6х+5) +6(3х²-5) =
= 36х²+30х +18х²- 30 =54х²+30х-30
у=(3х²-5)(6х+5)
у⁾=((3х²-5)(6х+5))⁾ =(3х²-5)⁾(6х+5) +(3х²-5)(6х+5)⁾ =6х(6х+5) +6(3х²-5) =
= 36х²+30х +18х²- 30 =54х²+30х-30