Solve x^2-3x-40=0

Evaluate

x^{2} - 3 x - 40 = 0

Factor the expression

More Steps

(x - 8) (x + 5) = 0

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

x - 8 = 0 x + 5 = 0

Solve the equation for x

More Steps

x = 8 x + 5 = 0

Solve the equation for x

More Steps

x = 8 x = - 5

Solution

x_{1} = - 5, x_{2} = 8

Solve the quadratic equation