9th class maths
Ch-2: Polynomials & Factorisation
kill 2 - Addition and Subtraction of Polyng
implify each expression :
) (7n power 3- n power4+3n) - (8n + n power 4- 5 npower 3)
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(7n³- n⁴ +3n)- (8n+n⁴ -5n³)
= 7n³- n⁴ +3n -8n-n⁴+5n³
=12n³-2n⁴-5n
Answered by
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Answer:
(7n³- n⁴ +3n)- (8n+n⁴ -5n³)
= 7n³- n⁴ +3n -8n-n⁴+5n³
=12n³-2n⁴-5n
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