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Mathematics 19 Online
OpenStudy (anonymous):

Factor this trinomial. 5x^2 − 2x − 7

OpenStudy (goformit100):

use matrix method for solving it

OpenStudy (anonymous):

:/ i need a simple way of doing this

OpenStudy (anonymous):

i use the criss cross method

OpenStudy (anonymous):

(x+1)(5x-7)

OpenStudy (anonymous):

when you equal it to 0 it is k^2-8k=0 ??

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