6.7k views
4 votes
This question is confusing. Please help me!

This question is confusing. Please help me!-example-1
User Wltheng
by
6.2k points

1 Answer

4 votes

Answer:

(A) y - x

Explanation:

Finding a:

  • ax + x² = y² - ay
  • ax + ay = y² - x²
  • a(x+y)= (y+x)(y-x)
  • a = y - x

Correct choice is (A)

User VTr
by
7.1k points