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Simplifying 42X2 + 20x + 9 = 0 Reorder the terms: 9 + 42X2 + 20x = 0 Solving 9 + 42X2 + 20x = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + 42X2 + -9 + 20x = 0 + -9 Reorder the terms: 9 + -9 + 42X2 + 20x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 42X2 + 20x = 0 + -9 42X2 + 20x = 0 + -9 Combine like terms: 0 + -9 = -9 42X2 + 20x = -9 Add '-20x' to each side of the equation. 42X2 + 20x + -20x = -9 + -20x Combine like terms: 20x + -20x = 0 42X2 + 0 = -9 + -20x 42X2 = -9 + -20x Divide each side by '42'. X2 = -0.2142857143 + -0.4761904762x Simplifying X2 = -0.2142857143 + -0.4761904762x Reorder the terms: 0.2142857143 + X2 + 0.4761904762x = -0.2142857143 + -0.4761904762x + 0.2142857143 + 0.4761904762x Reorder the terms: 0.2142857143 + X2 + 0.4761904762x = -0.2142857143 + 0.2142857143 + -0.4761904762x + 0.4761904762x Combine like terms: -0.2142857143 + 0.2142857143 = 0.0000000000 0.2142857143 + X2 + 0.4761904762x = 0.0000000000 + -0.4761904762x + 0.4761904762x 0.2142857143 + X2 + 0.4761904762x = -0.4761904762x + 0.4761904762x Combine like terms: -0.4761904762x + 0.4761904762x = 0.0000000000 0.2142857143 + X2 + 0.4761904762x = 0.0000000000 The solution to this equation could not be determined.
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