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Simplifying 4p2 + -7p = -4 Reorder the terms: -7p + 4p2 = -4 Solving -7p + 4p2 = -4 Solving for variable 'p'. Reorder the terms: 4 + -7p + 4p2 = -4 + 4 Combine like terms: -4 + 4 = 0 4 + -7p + 4p2 = 0 Begin completing the square. Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'. 1 + -1.75p + p2 = 0 Move the constant term to the right: Add '-1' to each side of the equation. 1 + -1.75p + -1 + p2 = 0 + -1 Reorder the terms: 1 + -1 + -1.75p + p2 = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1.75p + p2 = 0 + -1 -1.75p + p2 = 0 + -1 Combine like terms: 0 + -1 = -1 -1.75p + p2 = -1 The p term is -1.75p. 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. -1.75p + 0.765625 + p2 = -1 + 0.765625 Reorder the terms: 0.765625 + -1.75p + p2 = -1 + 0.765625 Combine like terms: -1 + 0.765625 = -0.234375 0.765625 + -1.75p + p2 = -0.234375 Factor a perfect square on the left side: (p + -0.875)(p + -0.875) = -0.234375 Can't calculate square root of the right side. The solution to this equation could not be determined.
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