Math, asked by saana6a, 4 hours ago

subtract
3a(1-4m+5n)from 41 (10n-3m+21)​

Answers

Answered by py5024131
0

Answer:

Correct option is

B

5l

2

+25ln

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

Step-by-step explanation:

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