Write down the quadratic equation whose roots are and and the coefficient of is 1.
Enter your answer in the form "x^2+bx+c".
(x-r1 ) ( x - r2 ) plug in your roots (which ae not included in your question) and expand ....
(x-r1 ) ( x - r2 ) plug in your roots (which ae not included in your question) and expand ....