How to factorize x⁴+ 4
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Answer:
Step-by-step explanation:
x to the power 4+4
(x²)²+2² = (x²+2)² - 4x²
= (x²+2)² - (2x)²
formula (a+b)(a-b) = a² - b²
= (x²+2x+2) (x²+2-2x)
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