Question

4l(10n-3m)square-2l(m-10n)square

Answer 1

Where is the question

Answer 2

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

thank you