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Algebra
3. Resolva, no conjunto R, as seguintes equações: a x2-2x=2x-4 b x2-2x=x+4 c 6x2+3x=1+2x d 9x2+3x+1=...
5 months ago
Q:
3. Resolva, no conjunto R, as seguintes equações: a x2-2x=2x-4 b x2-2x=x+4 c 6x2+3x=1+2x d 9x2+3x+1=4x2
Accepted Solution
A:
a x = 2b x = 4 or x = -1c x = \dfrac{1}{3} or x = - \dfrac{1}{2}d no\ real\ solution