√a^2+3=2a^2
a+3=2a^2
a+3−2a^2=0
2a^2−a−3=0
2a^2+2a−3a−3=0
2a(a+1)−3(a+1)=0
(a+1)(2a−3)=0
a=−1 , 3/2
a=3/2
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√a^2+3=2a^2
a+3=2a^2
a+3−2a^2=0
2a^2−a−3=0
2a^2+2a−3a−3=0
2a(a+1)−3(a+1)=0
(a+1)(2a−3)=0
a=−1 , 3/2
a=3/2