Question

find roots of x2 + 2V2x - 6 = 0​

Answer 1

Step-by-step explanation:

x^2 + 2 √2 x -6 =0

x^2 + 3 √2 x - √2 x - 6 =0

x (x +3√2) - √2 (x + 3√2) = 0

(x +3√2) (x -√2) =0

x + 3 √2 = 0 or x - √ 2 = 0

x = - 3√2 or x = √2