7 x ² , - 3 x² , 6 x²,- 9 X ² , 5x² albera expression
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7 x ² , - 3 x² , 6 x²,- 9 X ² , 5x² albera expression
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Answer:
7x²-3x²+6x²-9x²+5x²
18x²-12x²
6x²