jtemple2 jtemple2

15-07-2020
Mathematics

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Factor the polynomial using the pattern.
x^2-3x - 28

Respuesta :

rupsgos rupsgos

15-07-2020

Answer:

x^2-3x-28

Multiply the coefficents of the first and last terms, and find two factors that add to the coefficent of the middle term.

x^2-7x+4x-28=x(x-7)+4(x-7)

(x+4)(x-7)

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