Math, asked by alu45, 5 months ago

Please answer me .............

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Answered by Anonymous

1

Answer:

option (b) 15x, -21x

Step-by-step explanation:

hope it helps you. ^ω^

Answered by niranjnasp

1

Answer:

15x, -21x are only like terms.

Step-by-step explanation:

like terms should be with same variables.

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