ax减ay加x平方减y平方如何分解因式?

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ax减ay加x平方减y平方如何分解因式?
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ax减ay加x平方减y平方如何分解因式?
ax减ay加x平方减y平方如何分解因式?

ax减ay加x平方减y平方如何分解因式?
ax - ay + x² - y²
= a(x - y) + (x + y)(x - y)
= (x - y)(a + x + y)

=a(x-y)+(x-y)(x+y)=(x-y)(a+x+y)

ax-ay+x^2-y^2
=a(x-y)+(x-y)(x+y)
=(x-y)(a+x+y)

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

=a(x-y)+(x-y)*(x+y)
=(x-y)(a+x+y)