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Simplifying 25x2 + -60x + 900 = 0 Reorder the terms: 900 + -60x + 25x2 = 0 Solving 900 + -60x + 25x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '5'. 5(180 + -12x + 5x2) = 0 Ignore the factor 5.Subproblem 1
Set the factor '(180 + -12x + 5x2)' equal to zero and attempt to solve: Simplifying 180 + -12x + 5x2 = 0 Solving 180 + -12x + 5x2 = 0 Begin completing the square. Divide all terms by 5 the coefficient of the squared term: Divide each side by '5'. 36 + -2.4x + x2 = 0 Move the constant term to the right: Add '-36' to each side of the equation. 36 + -2.4x + -36 + x2 = 0 + -36 Reorder the terms: 36 + -36 + -2.4x + x2 = 0 + -36 Combine like terms: 36 + -36 = 0 0 + -2.4x + x2 = 0 + -36 -2.4x + x2 = 0 + -36 Combine like terms: 0 + -36 = -36 -2.4x + x2 = -36 The x term is -2.4x. Take half its coefficient (-1.2). Square it (1.44) and add it to both sides. Add '1.44' to each side of the equation. -2.4x + 1.44 + x2 = -36 + 1.44 Reorder the terms: 1.44 + -2.4x + x2 = -36 + 1.44 Combine like terms: -36 + 1.44 = -34.56 1.44 + -2.4x + x2 = -34.56 Factor a perfect square on the left side: (x + -1.2)(x + -1.2) = -34.56 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.
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