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Simplifying 5X2 + 7x + -18 = 0 Reorder the terms: -18 + 5X2 + 7x = 0 Solving -18 + 5X2 + 7x = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '18' to each side of the equation. -18 + 5X2 + 18 + 7x = 0 + 18 Reorder the terms: -18 + 18 + 5X2 + 7x = 0 + 18 Combine like terms: -18 + 18 = 0 0 + 5X2 + 7x = 0 + 18 5X2 + 7x = 0 + 18 Combine like terms: 0 + 18 = 18 5X2 + 7x = 18 Add '-7x' to each side of the equation. 5X2 + 7x + -7x = 18 + -7x Combine like terms: 7x + -7x = 0 5X2 + 0 = 18 + -7x 5X2 = 18 + -7x Divide each side by '5'. X2 = 3.6 + -1.4x Simplifying X2 = 3.6 + -1.4x Reorder the terms: -3.6 + X2 + 1.4x = 3.6 + -1.4x + -3.6 + 1.4x Reorder the terms: -3.6 + X2 + 1.4x = 3.6 + -3.6 + -1.4x + 1.4x Combine like terms: 3.6 + -3.6 = 0.0 -3.6 + X2 + 1.4x = 0.0 + -1.4x + 1.4x -3.6 + X2 + 1.4x = -1.4x + 1.4x Combine like terms: -1.4x + 1.4x = 0.0 -3.6 + X2 + 1.4x = 0.0 The solution to this equation could not be determined.
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