Solve the quadratic equation by completing the square.

Question

x^2 + 14x + 35 = 0

and

x^2 + 8x = 5

Answer 1

I will do the first, you show me how you did the second, ok?

x^2 + 14x + .... = -35 + .....
x^2 + 14x + 49 = -35 + 49
(x+7)^2 = 14
x+7 = ± √14
x = -7 ± √14