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Simplifying 4y2 = 7y + -6 Reorder the terms: 4y2 = -6 + 7y Solving 4y2 = -6 + 7y Solving for variable 'y'. Reorder the terms: 6 + -7y + 4y2 = -6 + 7y + 6 + -7y Reorder the terms: 6 + -7y + 4y2 = -6 + 6 + 7y + -7y Combine like terms: -6 + 6 = 0 6 + -7y + 4y2 = 0 + 7y + -7y 6 + -7y + 4y2 = 7y + -7y Combine like terms: 7y + -7y = 0 6 + -7y + 4y2 = 0 Begin completing the square. Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'. 1.5 + -1.75y + y2 = 0 Move the constant term to the right: Add '-1.5' to each side of the equation. 1.5 + -1.75y + -1.5 + y2 = 0 + -1.5 Reorder the terms: 1.5 + -1.5 + -1.75y + y2 = 0 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + -1.75y + y2 = 0 + -1.5 -1.75y + y2 = 0 + -1.5 Combine like terms: 0 + -1.5 = -1.5 -1.75y + y2 = -1.5 The y term is -1.75y. Take half its coefficient (-0.875). Square it (0.765625) and add it to both sides. Add '0.765625' to each side of the equation. -1.75y + 0.765625 + y2 = -1.5 + 0.765625 Reorder the terms: 0.765625 + -1.75y + y2 = -1.5 + 0.765625 Combine like terms: -1.5 + 0.765625 = -0.734375 0.765625 + -1.75y + y2 = -0.734375 Factor a perfect square on the left side: (y + -0.875)(y + -0.875) = -0.734375 Can't calculate square root of the right side. The solution to this equation could not be determined.
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