Homework Help: algebra

Posted by victor on Tuesday, January 11, 2011 at 8:48pm.

factor trinomial 9x(2) + 9x + 2

i do not know how to type the 9x and the little x over the 2 ( to the x power ) thank you for your help.

algebra - Reiny, Tuesday, January 11, 2011 at 9:10pm
so you mean
9^(2x) + 9x + 2 ?

if so, ....
let 9^x = y
then your expression becomes
y^2 + y + 2

which does not factor, so the original does not factor.

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