Solve b^2-6b-40=0

Evaluate

b^{2} - 6 b - 40 = 0

Factor the expression

More Steps

(b - 10) (b + 4) = 0

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

b - 10 = 0 b + 4 = 0

Solve the equation for b

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b = 10 b + 4 = 0

Solve the equation for b

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b = 10 b = - 4

Solution

b_{1} = - 4, b_{2} = 10

Solve the quadratic equation