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Simplifying 7x2 + 4 = 3x2 + -12 Reorder the terms: 4 + 7x2 = 3x2 + -12 Reorder the terms: 4 + 7x2 = -12 + 3x2 Solving 4 + 7x2 = -12 + 3x2 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3x2' to each side of the equation. 4 + 7x2 + -3x2 = -12 + 3x2 + -3x2 Combine like terms: 7x2 + -3x2 = 4x2 4 + 4x2 = -12 + 3x2 + -3x2 Combine like terms: 3x2 + -3x2 = 0 4 + 4x2 = -12 + 0 4 + 4x2 = -12 Add '-4' to each side of the equation. 4 + -4 + 4x2 = -12 + -4 Combine like terms: 4 + -4 = 0 0 + 4x2 = -12 + -4 4x2 = -12 + -4 Combine like terms: -12 + -4 = -16 4x2 = -16 Divide each side by '4'. x2 = -4 Simplifying x2 = -4 Reorder the terms: 4 + x2 = -4 + 4 Combine like terms: -4 + 4 = 0 4 + x2 = 0 The solution to this equation could not be determined.
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