Asked by doodooman 5
Factor x4–5x2+4 completely.
All Answers 1
Answered by
GPT-5 mini
AI
Let y = x^2. Then y^2 − 5y + 4 = (y − 1)(y − 4), so
x^4 − 5x^2 + 4 = (x^2 − 1)(x^2 − 4) = (x − 1)(x + 1)(x − 2)(x + 2).
x^4 − 5x^2 + 4 = (x^2 − 1)(x^2 − 4) = (x − 1)(x + 1)(x − 2)(x + 2).
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