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Mathematics 13 Online
OpenStudy (anonymous):

9x^4=25x^2-16 solve using an appropriate substitution

OpenStudy (anonymous):

same method, Dylan

OpenStudy (anonymous):

i know but im having trouble factoring this one

OpenStudy (anonymous):

im stuck at 9y^2-25y+16

OpenStudy (anonymous):

how bout 9y and 16y

OpenStudy (anonymous):

you have to show me what you mean?

OpenStudy (anonymous):

25y = 9y + 16 y

OpenStudy (anonymous):

so that comes to 25y=25y

OpenStudy (anonymous):

no dude 9y^2-25y+16 = 9y^2- 9y - 16 y+16 can u solve it now?

OpenStudy (anonymous):

ill come back to this later. thanks for the help

OpenStudy (anonymous):

cool

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