almarobles777 almarobles777

20-06-2017
Mathematics

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What are the binomial factors of the expression below? x^+7x+12
A. (x+4)(x+3)
B. (x+2)(x+6)
C. (x-2)(x-6)
D. (x-4)(x-3)

Respuesta :

Banabanana Banabanana

21-06-2017

x²+7x+12 = x²+ 3x+4x +12 = x(x+3) + 4(x+3) = (x+4)(x+3)

Answer: A. (x+4)(x+3)

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