Science, asked by alaguharish13, 6 months ago

pls answer...............

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Answered by samdaniel02

1

Answer:

l+4m+12n2 is the Answer

Explanation:

(3l-4m-7n2)+(2l+3m-4n2)

= 5l-m-11n2..... (1)

(9l+2m-3n2)+(-3l+m+4n2)

= 6l+3m+n2.... (2)

(2)-(1)

(6l+3m+n2)-(5l-m-11n2)

= l+4m+12n2

Answered by prakashpujari1133

1

Answer:

l+4m+12n^2

Explanation:

explained in above picture

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