Question

(3a elevado a 2-5ab+ 2c-2ab)-(5a-5ab-2bc)

Answer 1

(3a elevado a 2-5ab+ 2c-2ab)-(5a-5ab-2bc)
3a^2 - 5ab + 2c - 2ab - 5a + 5ab + 2bc

3a^2 + 2c - 2ab - 5a + 2bc ==> 3a^2 - 2ab - 5a - 2c + 2bc

a(3a - 2b - 5) - 2c( 1 + b)