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5x2+4=x5 x ^ { 2 } + 4 = x

Question 246

Multiple Choice

5x2+4=x5 x ^ { 2 } + 4 = x


A) - 15,14\frac { 1 } { 5 } , \frac { 1 } { 4 }
B) 1±i7910\frac { 1 \pm i \sqrt { 79 } } { 10 }
C) 1±791 \pm \sqrt { 79 }
D) 1±i795\frac { 1 \pm i \sqrt { 79 } } { 5 }

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