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x^2-2x-15=0

x^2-2x-15=0

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Michael F. | Mathematics TutorMathematics Tutor
4.7 4.7 (6 lesson ratings) (6)
1
Find two integers whose product is -15 and whose sum is -2.
3 and -5.  (x+3)(x-5)=x2-2x-15.
(x+3)(x-5)=0 implies that x=-3 or x=5