Question

hey guys here is your question​

Answer 1

Answer:

4x^2-4y

Step-by-step explanation:

(4x^2-7y+8x)-(x^2-(x^2+y)-2y+8x)

=4x^2-7y+8x-(x^2 - x^2 -y-2y+8x)

=4x^2-7y+8x-(-3y+8x)

=4x^2-7y+8x+3y-8x

=4x^2-4y (or) 4(x^2-y).

Answer 2

The answer which you were talking about that it was not matching i checked may be by chance you typed the question wrong in hurry..... I think as per your posted question my answer is correct.....

SEE THE FIRST THREE PICTURES........ THAT IS OUR EDUCATIONAL WORKSPACE'S PICTURES (SCREENSHOTS) @Homeworksolver. We are a group who always enjoy and remains serious with education