Program Program1;varx,y:real;beginwrite('Введите x: ');readln(x);y:=7*SQR(x)-3*x+6;writeln('y=',y);end.
Program Program2;varx,a:real;beginwrite('Введите a: ');readln(a);x:=12*sqr(a)+7*a-16;writeln('x=',x);end.