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Simplifying 1 + -1.6x + 0.9x2 = 0complex Anything times zero is zero. 1 + -1.6x + 0.9x2 = 0celmopx Solving 1 + -1.6x + 0.9x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 0.9 the coefficient of the squared term: Divide each side by '0.9'. 1.111111111 + -1.777777778x + x2 = 0 Move the constant term to the right: Add '-1.111111111' to each side of the equation. 1.111111111 + -1.777777778x + -1.111111111 + x2 = 0 + -1.111111111 Reorder the terms: 1.111111111 + -1.111111111 + -1.777777778x + x2 = 0 + -1.111111111 Combine like terms: 1.111111111 + -1.111111111 = 0.000000000 0.000000000 + -1.777777778x + x2 = 0 + -1.111111111 -1.777777778x + x2 = 0 + -1.111111111 Combine like terms: 0 + -1.111111111 = -1.111111111 -1.777777778x + x2 = -1.111111111 The x term is -1.777777778x. Take half its coefficient (-0.888888889). Square it (0.7901234570) and add it to both sides. Add '0.7901234570' to each side of the equation. -1.777777778x + 0.7901234570 + x2 = -1.111111111 + 0.7901234570 Reorder the terms: 0.7901234570 + -1.777777778x + x2 = -1.111111111 + 0.7901234570 Combine like terms: -1.111111111 + 0.7901234570 = -0.320987654 0.7901234570 + -1.777777778x + x2 = -0.320987654 Factor a perfect square on the left side: (x + -0.888888889)(x + -0.888888889) = -0.320987654 Can't calculate square root of the right side. The solution to this equation could not be determined.
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