combine the like terms and simplify -6m2+(-2x2) - (-m2)+7x2+(-5m2) +3x2
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5x − 2x2 − 8, 8x2 − 7x − 9, 3 + 7x2 − 2x ... 2x2 − 3y2 + 5x2 + 6y2 + (− 3x2 − 4y2) = 2x2 + 5x 2 ... 2z -3z -x -x -3y +y (Collecting like terms and adding them) ... (8a − 6a2 + 9)+ (−10a − 8 + 8a2)
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