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freeCodeCamp
/
guide
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chinese
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mathematics
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factoring-quadratics
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index.md
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title
localeTitle
Factoring Quadratics
保理二次方
保理二次方
对于函数
:
f
(
x
)
= x ^ 2 + 2x + 1
,
因式形式为f
(
x
)
=
(
x + 1
)
(
x + 1
)
或f
(
x
)
=
(
x + 1
)
^ 2
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