sc0906123 sc0906123

08-09-2020
Mathematics

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Why do you need to change the signs in -x^2+6x+m=0 ?

Why do you need to change the signs in x26xm0 class=

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Estellia Estellia

08-09-2020

Answer:

It isn't necessary but having a positive coefficient for [tex]x^2[/tex] makes things like completing the square and factoring easier.

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