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Simplifying (7x2 + 2x + 5) + (-4x2 + 3) = y Reorder the terms: (5 + 2x + 7x2) + (-4x2 + 3) = y Remove parenthesis around (5 + 2x + 7x2) 5 + 2x + 7x2 + (-4x2 + 3) = y Reorder the terms: 5 + 2x + 7x2 + (3 + -4x2) = y Remove parenthesis around (3 + -4x2) 5 + 2x + 7x2 + 3 + -4x2 = y Reorder the terms: 5 + 3 + 2x + 7x2 + -4x2 = y Combine like terms: 5 + 3 = 8 8 + 2x + 7x2 + -4x2 = y Combine like terms: 7x2 + -4x2 = 3x2 8 + 2x + 3x2 = y Solving 8 + 2x + 3x2 = y Solving for variable 'x'. Combine like terms: y + -1y = 0 8 + 2x + 3x2 + -1y = 0 The solution to this equation could not be determined.
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