factorize =x⁴-(x-z)⁴
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Answer:
Step-by-step explanation:
x⁴-(x-z)⁴
=x⁴-((x-z)²)²
=x⁴-(x⁴ + y⁴- 4x³y + 6x²y² - 4xy³)
= -y⁴+4x³y -6x²y² +4xy³
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