Question

efectua las siguientes sumas (2a+3b-5ab)+(5a-4b+2ab)-(7a+b-ab)

Answer 1

(-3a+3b)+5a-4b+2ab-7a-b+ab
-3a+3b+5a-4b+2ab-7a-b+ab
-5a-2b+3ab

Answer 2

(2a+3b-5ab)+(5a-4b+2ab)-(7a+b-ab)
5ab-5ab+7ab-4b-7a-b+ab
Se simplifican los terminos semejantes:
R// 8ab-5b-7a