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15-06-2017
Mathematics

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Which shows the factored form x2-12x-45

Respuesta :

15-06-2017

x^2-12x-45

x^2+3x-15x-45

x(x+3)-15(x+3)

(x-15)(x+3)

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15-06-2017

45=5*9, 5-9=-4=/=-12
45=15*3, 3-15=-12
(x+3)(x-15)=x^2-12x-45

Answer Link

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