Solve n^2=9n-20 - ScanMath

Evaluate

n^{2} = 9 n - 20

Move the expression to the left side

n^{2} - 9 n + 20 = 0

Factor the expression

More Steps

(n - 5) (n - 4) = 0

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

n - 5 = 0 n - 4 = 0

Solve the equation for n

More Steps

n = 5 n - 4 = 0

Solve the equation for n

More Steps

n = 5 n = 4

Solution

n_{1} = 4, n_{2} = 5

Solve the quadratic equation