subtract 9l(2l-6m+3n) from 3l(20n-2m+3l) short answer
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Answer:
33ln+48lm-9l²
Step-by-step explanation:
60ln-6lm+9l²-(18l²-54lm+27ln)
60ln-6lm+9l²-18l²+54lm-27ln
33ln+48lm-9l²
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