(x^2-2x)^2-23(x^2-2x+12
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Answer:
(x²-2x²)²=(a-b)²=a²+b²-2ab
=(X²)²+(2x²)²-2×x²×2x²
= x⁴+4x⁴-4x⁴
now we solve this -23(x²-2x+12)
= -23x²+46x+27 6
now solve both equations
x⁴+4x⁴-4x⁴-23x²+46x+276
and the answer is this
x⁴-23x²+46x+276
Explanation:
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