Question

3l[l-4m+5n] from 4l[10n-3m+2l]
subtract it

Answer 1

Hii..

ur answer is here=>>

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4l[10n-3m+2l]- {3l[l-4m+5n]}

= 40ln-12lm+8l^2-3l^2+12lm-15ln

= 40ln-15ln-12lm+12lm+8l^2-3l^2

= 25ln+5l^2

Hope it will helps u!!

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Answer 2

4l(10n-3m+2l)-3l(l-4m+5n)
40ln-12lm+8l^2-(3l^2-12lm+15ln)
40ln-12ln+8l^2-3l^2+12lm-15ln
40ln-15ln+8l^2-3l^2-12lm+12lm
25ln+5l^2