Question

find the sum nd difference polynomials (a+2b+4c)+(2a+b+3c)​

Answer 1

Step-by-step explanation:

Sum:

(a+2b+4c)+(2a+b+3c)=3a+3b+7c

Difference:

(a+2b+4c)-(2a+b+3c)=-a+b+c=b+c-a

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