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Subtract 3l(l-5m+6n) from4l(10n-4m+20)Plzz tell me Step by step​

Answer» SUBTRACT 3L(l−4m+5n) from 4L(10n−3m+2l)=4l(10n−3m+2l)−3l(l−4m+5n)=(40ln−12lm+8l 2)−(3l 2 −12lm+15ln)=40ln−12lm+8l 2 −3l 2 +12lm−15ln=25ln+5l 2


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