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Simplifying 6.8E + -4 + -0.50x + x2 = 0 Reorder the terms: -4 + 6.8E + -0.50x + x2 = 0 Solving -4 + 6.8E + -0.50x + x2 = 0 Solving for variable 'E'. Move all terms containing E to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 6.8E + -0.50x + 4 + x2 = 0 + 4 Reorder the terms: -4 + 4 + 6.8E + -0.50x + x2 = 0 + 4 Combine like terms: -4 + 4 = 0 0 + 6.8E + -0.50x + x2 = 0 + 4 6.8E + -0.50x + x2 = 0 + 4 Combine like terms: 0 + 4 = 4 6.8E + -0.50x + x2 = 4 Add '0.50x' to each side of the equation. 6.8E + -0.50x + 0.50x + x2 = 4 + 0.50x Combine like terms: -0.50x + 0.50x = 0.00 6.8E + 0.00 + x2 = 4 + 0.50x 6.8E + x2 = 4 + 0.50x Add '-1x2' to each side of the equation. 6.8E + x2 + -1x2 = 4 + 0.50x + -1x2 Combine like terms: x2 + -1x2 = 0 6.8E + 0 = 4 + 0.50x + -1x2 6.8E = 4 + 0.50x + -1x2 Divide each side by '6.8'. E = 0.5882352941 + 0.07352941176x + -0.1470588235x2 Simplifying E = 0.5882352941 + 0.07352941176x + -0.1470588235x2
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