Question

(a) 4lm(l- m) - 6l(m - m²) - 3m”(2l-l ) + 21m(l- m)
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Answer 1

Answer:

4lm(l-m) - 6l*l(m-m*m) - 3m*m(2l*l-l) + 2lm(l-m)

= 6lm(l-m) - 6l*l*m + 6l*l*m*m - 6l*l*m*m + 3l*m*m

= 6l*l*m - 6l*m*m - 6l*l*m + 3l*m*m

= -3l*m*m

Step-by-step explanation:

Hope it helps uh.....

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Plz mark as a brainliest answer.....