Объяснение: ( ^ знак степени)
y'=4*3x^2 +3*2x -5sinx =12x^2 +6x -5sinx
(u*v)'=u'v+u*v', y'=2*(4x+5) + (2x-7)*4=8x+10+8x-28=16x-18
(u/v)'=u'v-uv' /v^2, (2x-7/ 4x+5)'=(2*(4x+5) -(2x-7)*4) /(4x+5)^2 =
(8x+10-8x+28) /(4x+5)^2= 38/ (4x+5)^2
