Question

Subtract 3a(a-4b+5c) from 4a(10c-3b+2a).

Answer 1

4a(10c-3b+2a)-3a(a-4b+5c)

40ac -12ab+8a² - 3a² + 12 ab -15ac( signs will be change as out side bracket- is there)

8a²-3a²-12ab+12 ab+40ac-15ac

5a²+15ac

please mark me brainliest