Solve a^2-2a-8=0 - ScanMath

Evaluate

a^{2} - 2 a - 8 = 0

Factor the expression

More Steps

(a - 4) (a + 2) = 0

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

a - 4 = 0 a + 2 = 0

Solve the equation for a

More Steps

a = 4 a + 2 = 0

Solve the equation for a

More Steps

a = 4 a = - 2

Solution

a_{1} = - 2, a_{2} = 4

Solve the quadratic equation