1

solve(x^2+3*x-1=0,x);

solve(x^2+3*x-1=0);

solve(x^2+3*x-1,x);

solve(x^2+3*x-1);

2

solve(2*x-4=0,x);

solve(2*x-4=0);

solve(2*x-4,x);

solve(2*x-4);

Exercise

solve(x-6=8,x);

solve(2*x-4=-15);

solve(sqrt(x-10)-4=0,x);

solve(x^2+5*x+3=0,x);

solve(t^2-t+6=0,t);

solve(1/(x-3)+1/(x+3)=10/(x^2-9));

1

sol:solve(x^2+3*x-1,x);

sol;

ev(x,sol[1]);

ev(x,sol[2]);

rhs(sol[1]);

rhs(sol[2]);

1

eq1:3*x^2-y^2=2$
eq2:x^2+y^2=2$

solve([eq1,eq2],[x,y]);

[4*x^2-y^2=12,x*y-x=2];

solve(%,[x,y]);

1

e1:2*x[1]+3*x[2]+4*x[3]=2$
e2:4*x[1]+3*x[2]+x[3]=10$
e3:x[1]+2*x[2]+4*x[3]=5$

solve([e1,e2,e3],[x[1],x[2],x[3]]);

solve(x^5-x^4+2*x^3+x^2-x+5,x);

allroots(x^5-x^4+2*x^3+x^2-x+5);