Solve x^2 - 39x - 126=0

Evaluate

x^{2} - 39 x - 126 = 0

Factor the expression

More Steps

(x - 42) (x + 3) = 0

When the product of factors equals 0,at least one factor is 0

x - 42 = 0 x + 3 = 0

Solve the equation for x

More Steps

x = 42 x + 3 = 0

Solve the equation for x

More Steps

x = 42 x = - 3

Solution

x_{1} = - 3, x_{2} = 42

Solve the quadratic equation