Question

(5y-8)-(2-3y)=....
(-3a^2-9)-(7a^2+2)=....
(m^3+n^3)-(m^3-n^3)=....
(p^5-p^4)-(p^4-p^5)=....
(-x^2+2xy)-(3x^2-2xy)=....
помогите плиииз пжжжжжжжжжжжжжжж

Answer 1

(5у-8)-(2-3у)=5у-8-2+3у=8у-10

Answer 2

спс