solve x^4-2x-3 plz help
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Answer:
x – 4) (2x + 3) = 2x2
⇒ x (2x + 3) – 4 (2x + 3) = 2x2
⇒ 2x2 + 3x – 8x – 12 = 2x2
⇒ 2x2 + 3x – 8x – 2x2 = 12
⇒ -5x = 12 ⇒ x = 12/-5 = -12/5
∴ x = -2. 2/5
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