How do you solve the quadratic equation x²  3x  40 = 0 ?
x²  3x  40 = 0
(x  8)(x + 5) = 0 {factored into two binomials} x  8 = 0 or x + 5 = 0 {set each factor equal to zero} x = 8 or x = 5 {solved each equation for x} Ask the House
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