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emmainna [20.7K]

3 years ago

7

This question is confusing. Please help me!

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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