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Simplifying -7y2 + 6y + -35 = 0 Reorder the terms: -35 + 6y + -7y2 = 0 Solving -35 + 6y + -7y2 = 0 Solving for variable 'y'. Begin completing the square. Divide all terms by -7 the coefficient of the squared term: Divide each side by '-7'. 5 + -0.8571428571y + y2 = 0 Move the constant term to the right: Add '-5' to each side of the equation. 5 + -0.8571428571y + -5 + y2 = 0 + -5 Reorder the terms: 5 + -5 + -0.8571428571y + y2 = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -0.8571428571y + y2 = 0 + -5 -0.8571428571y + y2 = 0 + -5 Combine like terms: 0 + -5 = -5 -0.8571428571y + y2 = -5 The y term is -0.8571428571y. Take half its coefficient (-0.4285714286). Square it (0.1836734694) and add it to both sides. Add '0.1836734694' to each side of the equation. -0.8571428571y + 0.1836734694 + y2 = -5 + 0.1836734694 Reorder the terms: 0.1836734694 + -0.8571428571y + y2 = -5 + 0.1836734694 Combine like terms: -5 + 0.1836734694 = -4.8163265306 0.1836734694 + -0.8571428571y + y2 = -4.8163265306 Factor a perfect square on the left side: (y + -0.4285714286)(y + -0.4285714286) = -4.8163265306 Can't calculate square root of the right side. The solution to this equation could not be determined.
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