subtract 3a(a-4b+5c) from 4a(10c-3b+2a) step by step
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Answer:
{4a(10c-3b+2a)} - {3a(a-4b+5c)}
→ {40ac-12ab+8a²} - {3a²-12ab+15ac}
→ 40ac-12ab+8a² - 3a²+12ab-15ac
→ 40ac -15ac -12ab+12ab +8a²-3a²
→ 25ac +5a²
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