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OpenStudy (anonymous):
By with method do I solve x^4-37x^2+36 = 0?
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hartnn (hartnn):
put x^2=y then x^4 = y^2 then u get a quadratic in y, can u solve that quadratic ?
hartnn (hartnn):
got that^ ?
OpenStudy (anonymous):
(y-36)(y-1), thx!
hartnn (hartnn):
yes, now find x
OpenStudy (anonymous):
"+ or -" 36, "+ or -" 1, got it!
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hartnn (hartnn):
ummm, it will be \(\pm\)6, \(\pm\)1
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