230285
230285
30-08-2020
Mathematics
contestada
This question is confusing. Please help me!
Respuesta :
mhanifa
mhanifa
30-08-2020
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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