Respuesta :

apologiabiology

x^2-x-12

factor

what 2 numbers multiply to get -12 and add to get -1?

-4 and 3

(x-4)(x+3)

answer is C and D

Answer:

C. x – 4

D. x + 3

Step-by-step explanation:

Given trinomial,

[tex]x^2-x-12[/tex]

By middle term spitting,

[tex]x^2-(4-3)x-12[/tex]

[tex]x^2-4x+3x-12[/tex]

[tex]x(x-4)+3(x-4)[/tex]

[tex](x+3)(x-4)[/tex]

⇒ Only binomials x + 3 and x - 4 are the factors of the given trinomial.

Options 'C' and 'D' are correct.

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