<span>(x-2) (x - 3) - (x^2 - 3x +1)^2=х^4-3x^3-x^2+3x-x^4+6x^3-11x^2+6x-1=3x^3-12x^2+9x-1
Сумма коэффициентов = 3+(-12)+9+(-1)=-1</span>
F(x)= -3x^2+10
a)f(-1)=-3(-1)^2+10
f(-1)=7
b)f(0)=-3(0)^2+10
f(0)=10
c)f(1/3)=-3*(1/3)^2+10
f(1/3)=-3*1/9+10
f(1/3)=10-1/3
f(1/3)=29/3
f(1/3)=9 2/3
2х=-38
х=-19
3х+7у=27
3*(-19)+7у=27
7у=27+57
7у=84
у=84:7
у=12
Y=kx+b - линейное уравнение