Question:
Divide:
ax2 − ay2 by ax + ay
Solution:
$\frac{a x^{2}-a y^{2}}{a x+a y}$
$=\frac{a\left(x^{2}-y^{2}\right)}{a(x+y)}$
$=\frac{a(x+y)(x-y)}{a(x+y)}$
$=x-y$
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