Answered

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can you help me factor the quadratic equation x^2-2x-15

Sagot :

We can factorize the expression

[tex]x^2-2x-15[/tex]

finding two number that the result by adding them is -2 and by multiplying the same two number obtain -15

-5+3=-2

(-5)*(3)=-15

the numbers are -5 and 3

[tex]x^2-2x-15=(x+3)(x-5)[/tex]

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