Подстановка условия
[src]-2*(3*p - 7) + 4*(2*p - 5) - 6*(p + 3) при p = -3/2
-2*(3*p - 7) + 4*(2*p - 5) - 6*(p + 3)
−6p+18+4(2p−5)−2(3p−7) -2*(3*(-3/2) - 7) + 4*(2*(-3/2) - 5) - 6*((-3/2) + 3)
−6(−3/2)+18+4(2(−3/2)−5)−2(3(−3/2)−7) -2*(3*(-3)/2 - 7) + 4*(2*(-3)/2 - 5) - 6*(-3/2 + 3)
4(−5+2−6)−2(−7+2−9)−9