please answer this question please
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1(a) 3x+4x=7x
:monomial.
(b) monomial.
(c) binomial.
(d) trinomial.
2.-8 and -6
3. sorry!
4. (9xy-8x +7y) +(-6x +7xy-6y)
=2xy -14x + y
5.ans: 4xy - 10x +10x³
6.ans:(a) yes (b) yes (c) yes(d) no
7.ans: -7n +12m + 10mn
8.ans: 5xy + x²
9.ans: -11
10.ans:-12
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