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Simplifying (-3x2 + -7x + 9) + (-5x2 + 6x + -4) = y Reorder the terms: (9 + -7x + -3x2) + (-5x2 + 6x + -4) = y Remove parenthesis around (9 + -7x + -3x2) 9 + -7x + -3x2 + (-5x2 + 6x + -4) = y Reorder the terms: 9 + -7x + -3x2 + (-4 + 6x + -5x2) = y Remove parenthesis around (-4 + 6x + -5x2) 9 + -7x + -3x2 + -4 + 6x + -5x2 = y Reorder the terms: 9 + -4 + -7x + 6x + -3x2 + -5x2 = y Combine like terms: 9 + -4 = 5 5 + -7x + 6x + -3x2 + -5x2 = y Combine like terms: -7x + 6x = -1x 5 + -1x + -3x2 + -5x2 = y Combine like terms: -3x2 + -5x2 = -8x2 5 + -1x + -8x2 = y Solving 5 + -1x + -8x2 = y Solving for variable 'x'. Combine like terms: y + -1y = 0 5 + -1x + -8x2 + -1y = 0 The solution to this equation could not be determined.
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