solve with step by step explaination by factorization
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Step-by-step explanation:the photo is not clear
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Step-by-step explanation:
a⁴ - b⁴ / (a - b)
= (a²)² - (b²)² / (a -b)
= (a² - b²)(a² + b²) / (a - b)
= (a + b)(a - b)(a² + b²) / (a - b)
= (a + b)(a² + b²)
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