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Mathematics 14 Online
OpenStudy (anonymous):

the value -1 is a solution for x^2-6x+5=0 True or False?

OpenStudy (ghostedly):

False.

OpenStudy (anonymous):

How did you work it out?

OpenStudy (campbell_st):

just substitute x = -1 so its \[(-1)^2 - 6\times(-1) + 5\]

OpenStudy (anonymous):

Thank you!

OpenStudy (hanamalik):

false |dw:1446157887487:dw|

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