gamer141 gamer141

13-04-2015
Mathematics

Answered

1/5 (x²-2x) = -2/5 + x²

Can you solve it all? Please i need this , i'll reward you

Verified Answer :

13-04-2015

\((\frac{1}{5} ( x^{2} -2x) = \frac{-2}{5} + x^{2} )*5 \\ \\ x^{2} -2x=-2+5 x^{2} \\ 4 x^{2} +2x-2=0 \\ Because \\ a x^{2} +bx+c=0 \\ a+c=b \\ x_{1} =-1 \\ x_{2} = \frac{-c}{a} = \frac{-(-2)}{4} = \frac{1}{2}\)

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