Question

find the diffrence. (-3+4y-5)-(2y-5)

Answer 1

First distribute the -
Then combine like terms.

Answer 2

To find the opposite of a sum or difference you change the sign of each term of the sum or difference. Here the difference is 2y-5.

Answer 3

Subtracting polynomials is like subtracting real numbers.

To subtract a real number, you add the opposite of that number.

To subtract a polynomial, you add the opposite of EACH term of that polynomial and then simplify.

Answer 4

BTW mardrockz answer is not correct.