Question

subtraction (5p-2l) –(7p+4l-4) horizontal

Answer 1

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