7 x ² , - 3 x² , 6 x²,- 9 X ² , 5x² albera expression
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Answered by
4
Answer:
7x²
Step-by-step explanation:
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Answered by
1
Answer:
Answer=0
Step-by-step explanation:
7x²+(-3x²)+6x²+(-9x²)+5x²
7x²-3x²+6x²-6x²-9x²+5x²
=0
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