(x2-5)2+8(x2-5)+16怎么因式分解
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(x2-5)2+8(x2-5)+16怎么因式分解(x2-5)2+8(x2-5)+16怎么因式分解(x2-5)2+8(x2-5)+16怎么因式分解(x²-5)²+8(x²-
(x2-5)2+8(x2-5)+16怎么因式分解
(x2-5)2+8(x2-5)+16怎么因式分解
(x2-5)2+8(x2-5)+16怎么因式分解
(x²-5)²+8(x²-5)+16
设 x²-5=m
原式=m²+8m+4²
=(m+4)²
=(x²-1)²
=[(x-1)(x+1)]²
=(x-1)²(x+1)²
(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)+16
=(x²-5+4)²
=(x²-1)²
=(x+1)²(x-1)²
(x2-5)2+8(x2-5)+16怎么因式分解
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(x2+5x+2)(x2+5x+3)-12怎么因式分解 (x2)是x的平方,
4x2.5x2+4x2×2+2x2.5x2=
4x2-3y2+2xy-4x2+5x2
(x2-5)2+8(5-x2)+162是平方
2+5x2+5x2=?
不等式(x2-4x-5)(x2-8)
maxz=2x1+x2,5x2
求和Sn=1x2+3x2^2+5x2^3+…+(2n-1)x2^n
分解因式(x2-4x2)2+8(x2-4x)+16
Sn=1x2+3x2^2+5x2^3+...+(2n-1)2^n
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x2-5x+8
x2-5x+8=0怎么解x2(2为平方)-5x+8=0怎么解?
2^5+5x2^4+10x2^3+10x2^2+5x2+1