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प्रश्न
Simplify: -5ax2 + 7ax2 – 12ax2
बेरीज
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उत्तर
-5ax2 + 7ax2 – 12ax2
= - 5ax2 - 12ax2 + 7ax2
= - 17ax2 + 7ax2 = - 10ax2
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