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Mathematics 6 Online
OpenStudy (vanz):

factor -x^2-x+20

OpenStudy (campbell_st):

(x - 5)(x+4)

OpenStudy (anonymous):

-x^2-x+20 =-x^2-5x+4x+20 =-x(x+5)+4(x+5) (x+5)(-x+4)

OpenStudy (anonymous):

@subetcha it's supposed to be (x-5)(-x+4)

OpenStudy (anonymous):

nope (x+5)(-x+4) =-x^2+4x-5x+20 =-x^2-x+20 which is the question

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