If -2 is a zero of f(x) = x3 + 13x2 + 32x + 20, find its other zeroes.
Firstly,
Divide the equation by (x+2);
The quotient is x2+11x+10;
Find it's factors;
They are(x+2),(x+1) and (x+10).
Divide the equation by (x+2);
The quotient is x2+11x+10;
Find it's factors;
They are(x+2),(x+1) and (x+10).