factorize a^2-2ab+b^2-c^2
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Answer:
(a - b + c) (a - b - c)
Step-by-step explanation:
a² - 2ab + b² - c²
⇒ (a² - 2ab + b²) - c²
⇒ (a - b)² - c²
⇒ (a - b + c) (a - b - c)
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