Question

simplify the following:-

1). 7n^2(6m^5+m^2-1)-5m(n^2m^4-11mn^2+2)

2). 8s^3t(st+2t)-3t^3(s^4-5s^3)​

Answer 1

Answer:

5m−7n)+(3n−4m+2)+(2m−3mn−5)

=5m−7n+3n−4m+2+2m−3mn−5

=3m−4n−3mn−3

Hence the correct answer is 3m−4n−3mn−3

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Answer 2

Step-by-step explanation:

1). 7n^2(6m^5+m^2-1)-5m(n^2m^4-11mn^2+2)