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Simplifying 36x2 + -42x + 49 = 0 Reorder the terms: 49 + -42x + 36x2 = 0 Solving 49 + -42x + 36x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 36 the coefficient of the squared term: Divide each side by '36'. 1.361111111 + -1.166666667x + x2 = 0 Move the constant term to the right: Add '-1.361111111' to each side of the equation. 1.361111111 + -1.166666667x + -1.361111111 + x2 = 0 + -1.361111111 Reorder the terms: 1.361111111 + -1.361111111 + -1.166666667x + x2 = 0 + -1.361111111 Combine like terms: 1.361111111 + -1.361111111 = 0.000000000 0.000000000 + -1.166666667x + x2 = 0 + -1.361111111 -1.166666667x + x2 = 0 + -1.361111111 Combine like terms: 0 + -1.361111111 = -1.361111111 -1.166666667x + x2 = -1.361111111 The x term is -1.166666667x. Take half its coefficient (-0.5833333335). Square it (0.3402777780) and add it to both sides. Add '0.3402777780' to each side of the equation. -1.166666667x + 0.3402777780 + x2 = -1.361111111 + 0.3402777780 Reorder the terms: 0.3402777780 + -1.166666667x + x2 = -1.361111111 + 0.3402777780 Combine like terms: -1.361111111 + 0.3402777780 = -1.020833333 0.3402777780 + -1.166666667x + x2 = -1.020833333 Factor a perfect square on the left side: (x + -0.5833333335)(x + -0.5833333335) = -1.020833333 Can't calculate square root of the right side. The solution to this equation could not be determined.
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