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012. Solve x by completing the square method.2x 5x - 2 = 0

Answer»

2x^2-5x+2=02x^2-4x-x+2=02x(x-2)-1(x-2)=0(x-2)(2x-1)=0either x-2=0x= 2or 2x-1=02x=1x=1/2

2x^2-5x+2=0, 2x^2-4x-x+2=0; 2x(x-1)-1( x-1)=(x-1)(2×-1)=0, x=1; 2x=1; x=1/2

2x^2-5x+2=0, 2x^2-4x-x+2=0, 2x(x-1)-1(x-1)=0 (2x-1)(x-1)=0, x=1, x=1/2

1/2 is the correct answer of the given question



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