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Simplifying 123x2 + -23x + 28 = 0 Reorder the terms: 28 + -23x + 123x2 = 0 Solving 28 + -23x + 123x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 123 the coefficient of the squared term: Divide each side by '123'. 0.2276422764 + -0.1869918699x + x2 = 0 Move the constant term to the right: Add '-0.2276422764' to each side of the equation. 0.2276422764 + -0.1869918699x + -0.2276422764 + x2 = 0 + -0.2276422764 Reorder the terms: 0.2276422764 + -0.2276422764 + -0.1869918699x + x2 = 0 + -0.2276422764 Combine like terms: 0.2276422764 + -0.2276422764 = 0.0000000000 0.0000000000 + -0.1869918699x + x2 = 0 + -0.2276422764 -0.1869918699x + x2 = 0 + -0.2276422764 Combine like terms: 0 + -0.2276422764 = -0.2276422764 -0.1869918699x + x2 = -0.2276422764 The x term is -0.1869918699x. Take half its coefficient (-0.09349593495). Square it (0.008741489852) and add it to both sides. Add '0.008741489852' to each side of the equation. -0.1869918699x + 0.008741489852 + x2 = -0.2276422764 + 0.008741489852 Reorder the terms: 0.008741489852 + -0.1869918699x + x2 = -0.2276422764 + 0.008741489852 Combine like terms: -0.2276422764 + 0.008741489852 = -0.218900786548 0.008741489852 + -0.1869918699x + x2 = -0.218900786548 Factor a perfect square on the left side: (x + -0.09349593495)(x + -0.09349593495) = -0.218900786548 Can't calculate square root of the right side. The solution to this equation could not be determined.
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