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# Help with this question please :)

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Why bother with a post grad? Are they even worth it? Have your say! 26-10-2016
1. (Original post by JakeAntonyBrown)
Thanks, how did you know x=0?

y=x(x^2-4x+3)
Now this means one root x = 0 (when y= 0 ) because y=x and y=x^2-4x+3
but y=0
so therefore x=0 and you solved for the other one
2. (Original post by CheeseIsVeg)
y=x(x^2-4x+3)
Now this means one root x = 0 (when y= 0 ) because y=x and y=x^2-4x+3
but y=0
so therefore x=0 and you solved for the other one
Thanks so much!!

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