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26-09-2018
Mathematics

contestada

What is the factored form?
x² - 2x - 80

(x - 10)(x + 8)

(x + 10)(x - 8)

(x - 10)(x - 8)

(x + 10)(x + 8)

Respuesta :

grujan50 grujan50

26-09-2018

You can factorize this square trinomial in the next way

x∧2-2x-80= x∧2-10x+8x-80= x(x-10)+8(x-10)= (x-10) (x+8)

The correct answer is (x-10) (x+8)

Good luck!!!

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