(-9n2-5n3-3n)-(10n3-12n-7n2)
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svedant01:
yes
hi
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Open the brackets
-9n2-5n3-3n-10n3+12n+7n2
Take the like terms togther
-9n2+7n2-5n3-10n3-3n+12n
= -2n2-15n3+9n
-9n2-5n3-3n-10n3+12n+7n2
Take the like terms togther
-9n2+7n2-5n3-10n3-3n+12n
= -2n2-15n3+9n
Absolutely correct,but have a doubt is the answer 15n3-2n2 correct for this question
I'm unable to understand what you are saying
excuse me please
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