vlasikkarasik6134 Объяснение:1) (d−9)⋅(d+3)−(d+6)⋅(d−15)== (d²+3d-9d-27)-(d²-15d+6d-90)== d²+3d-9d-27-d²+15d-6d+90== 3d+63 (d² и -d² сократились ) при d = -0.12 3* (-0.12)+63= -0.36+63=62.642) (p²−p+2)⋅(19p²+p−2)=    = 19p²*²+p³-2p²-19p³-p²+2p+38p²+2p-4=   = 19p²*²+p³+35p²-19p³+4p-4=   = 19p4-18p³+35p²+4p-4