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Simplifying 3q + -7q2 + -2 = 0 Reorder the terms: -2 + 3q + -7q2 = 0 Solving -2 + 3q + -7q2 = 0 Solving for variable 'q'. Begin completing the square. Divide all terms by -7 the coefficient of the squared term: Divide each side by '-7'. 0.2857142857 + -0.4285714286q + q2 = 0 Move the constant term to the right: Add '-0.2857142857' to each side of the equation. 0.2857142857 + -0.4285714286q + -0.2857142857 + q2 = 0 + -0.2857142857 Reorder the terms: 0.2857142857 + -0.2857142857 + -0.4285714286q + q2 = 0 + -0.2857142857 Combine like terms: 0.2857142857 + -0.2857142857 = 0.0000000000 0.0000000000 + -0.4285714286q + q2 = 0 + -0.2857142857 -0.4285714286q + q2 = 0 + -0.2857142857 Combine like terms: 0 + -0.2857142857 = -0.2857142857 -0.4285714286q + q2 = -0.2857142857 The q term is -0.4285714286q. Take half its coefficient (-0.2142857143). Square it (0.04591836735) and add it to both sides. Add '0.04591836735' to each side of the equation. -0.4285714286q + 0.04591836735 + q2 = -0.2857142857 + 0.04591836735 Reorder the terms: 0.04591836735 + -0.4285714286q + q2 = -0.2857142857 + 0.04591836735 Combine like terms: -0.2857142857 + 0.04591836735 = -0.23979591835 0.04591836735 + -0.4285714286q + q2 = -0.23979591835 Factor a perfect square on the left side: (q + -0.2142857143)(q + -0.2142857143) = -0.23979591835 Can't calculate square root of the right side. The solution to this equation could not be determined.
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