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Simplifying 36a2 + -30a + 25 = 0 Reorder the terms: 25 + -30a + 36a2 = 0 Solving 25 + -30a + 36a2 = 0 Solving for variable 'a'. Begin completing the square. Divide all terms by 36 the coefficient of the squared term: Divide each side by '36'. 0.6944444444 + -0.8333333333a + a2 = 0 Move the constant term to the right: Add '-0.6944444444' to each side of the equation. 0.6944444444 + -0.8333333333a + -0.6944444444 + a2 = 0 + -0.6944444444 Reorder the terms: 0.6944444444 + -0.6944444444 + -0.8333333333a + a2 = 0 + -0.6944444444 Combine like terms: 0.6944444444 + -0.6944444444 = 0.0000000000 0.0000000000 + -0.8333333333a + a2 = 0 + -0.6944444444 -0.8333333333a + a2 = 0 + -0.6944444444 Combine like terms: 0 + -0.6944444444 = -0.6944444444 -0.8333333333a + a2 = -0.6944444444 The a term is -0.8333333333a. Take half its coefficient (-0.4166666667). Square it (0.1736111111) and add it to both sides. Add '0.1736111111' to each side of the equation. -0.8333333333a + 0.1736111111 + a2 = -0.6944444444 + 0.1736111111 Reorder the terms: 0.1736111111 + -0.8333333333a + a2 = -0.6944444444 + 0.1736111111 Combine like terms: -0.6944444444 + 0.1736111111 = -0.5208333333 0.1736111111 + -0.8333333333a + a2 = -0.5208333333 Factor a perfect square on the left side: (a + -0.4166666667)(a + -0.4166666667) = -0.5208333333 Can't calculate square root of the right side. The solution to this equation could not be determined.
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