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emmainna [20.7K]
3 years ago
7

This question is confusing. Please help me!

Mathematics
1 answer:
fgiga [73]3 years ago
5 0

Answer:

(A) y - x

Step-by-step 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)

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