Find the roots of each quadratic polynomial.
1. x^2 + 2
2. x^2 - 6x - 7
In google type :
quadratic equation online
When you see list of results click on :
Free Online Quadratic Equation Solver: Solve by Quadratic..
When page be open in rectangle type
x ^ 2 + 2 = 0
and click option :
solve it!
You will see solution step by step
Repeat that for equation :
x ^ 2 - 6 x - 7 = 0