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Mathematics 19 Online
OpenStudy (anonymous):

q^4-26q^2+25=0 Find all solutions.

OpenStudy (anonymous):

Four solutions since its quadratic. I suggest doing the substitution \[u = q^2\] yielding \[u^2-(25+1)u+25 = 0\]

OpenStudy (anonymous):

thank you!! I completely forgot about substituting!!

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