因式分解,(x²-5)²+8(x²-5)+16=
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因式分解,(x²-5)²+8(x²-5)+16=
因式分解,(x²-5)²+8(x²-5)+16=
因式分解,(x²-5)²+8(x²-5)+16=
(x²-5)²+8(x²-5)+16
=(x²-5+4)²
=(x²-1)²
=(x+1)²(x-1)²
=(x²-5)²+8(x²-5)+4²=(x²-5+4)²=(x²-1)²=(x+1)²(x-1)²
x^4-2*5*x^2+25+8*x^2-8*5+16 = x^4-2*x^2+1