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Simplifying x + -7 = 19x2 Reorder the terms: -7 + x = 19x2 Solving -7 + x = 19x2 Solving for variable 'x'. Combine like terms: 19x2 + -19x2 = 0 -7 + x + -19x2 = 0 Begin completing the square. Divide all terms by -19 the coefficient of the squared term: Divide each side by '-19'. 0.3684210526 + -0.05263157895x + x2 = 0 Move the constant term to the right: Add '-0.3684210526' to each side of the equation. 0.3684210526 + -0.05263157895x + -0.3684210526 + x2 = 0 + -0.3684210526 Reorder the terms: 0.3684210526 + -0.3684210526 + -0.05263157895x + x2 = 0 + -0.3684210526 Combine like terms: 0.3684210526 + -0.3684210526 = 0.0000000000 0.0000000000 + -0.05263157895x + x2 = 0 + -0.3684210526 -0.05263157895x + x2 = 0 + -0.3684210526 Combine like terms: 0 + -0.3684210526 = -0.3684210526 -0.05263157895x + x2 = -0.3684210526 The x term is x. Take half its coefficient (0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. -0.05263157895x + 0.25 + x2 = -0.3684210526 + 0.25 Reorder the terms: 0.25 + -0.05263157895x + x2 = -0.3684210526 + 0.25 Combine like terms: -0.3684210526 + 0.25 = -0.1184210526 0.25 + -0.05263157895x + x2 = -0.1184210526 Factor a perfect square on the left side: (x + 0.5)(x + 0.5) = -0.1184210526 Can't calculate square root of the right side. The solution to this equation could not be determined.
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