1 6x^3+11x^2-7x-152 (x^2+1)^2-x^2+x(x-2)(x^2+x+1)
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1 6x^3+11x^2-7x-152 (x^2+1)^2-x^2+x(x-2)(x^2+x+1)
1 6x^3+11x^2-7x-15
2 (x^2+1)^2-x^2+x(x-2)(x^2+x+1)
1 6x^3+11x^2-7x-152 (x^2+1)^2-x^2+x(x-2)(x^2+x+1)
1 6x^3+11x^2-7x-15
=(2x+3)(3x^2+x-5)
2 (x^2+1)^2-x^2+x(x-2)(x^2+x+1)
=(x^2+1+x)(x^2+1-x)+(x^2-2x)(x^2+x+1)
=(x^2+x+1)(2x^2-3x+1)
=(x^2+x+1)(2x-1)(x-1)
6x^3+11x^2-7x-15
=6x³+2x²-10x+9x²+3x-15
=2x(3x²+x-5)+3(3x²+x-5)
=(2x+3)(3x^2+x-5)
2 (x^2+1)^2-x^2+x(x-2)(x^2+x+1
=(x^2+1+x)(x^2+1-x)+x(x-2)(x^2+x+1)
=(x^2+1+x)(x^2+1-x+x²-2x)
=(x^2+1+x)(2x²-3x+1)
=(x^2+1+x)(2x-1)(x-1)
1.原式= 6x^3+11x^2-7x-15
=6x³+2x²-10x+9x²+3x-15
=2x(3x²+x-5)+3(3x²+x-5)
=(2x+3)(3x^2+x-5)
2.原式=(x^2+1)^2-x^2+x(x-2)(x^2+x+1)
=(x^2+1+...
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1.原式= 6x^3+11x^2-7x-15
=6x³+2x²-10x+9x²+3x-15
=2x(3x²+x-5)+3(3x²+x-5)
=(2x+3)(3x^2+x-5)
2.原式=(x^2+1)^2-x^2+x(x-2)(x^2+x+1)
=(x^2+1+x)(x^2+1-x)+x(x-2)(x^2+x+1)
=(x^2+1+x)(x^2+1-x+x²-2x)
=(x^2+1+x)(2x^2-3x+1)
=(x^2+1+x)(2x-1)(x-1)
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原式= 6x^3+11x^2-7x-15
=6x³+2x²-10x+9x²+3x-15
=2x(3x²+x-5)+3(3x²+x-5)
=(2x+3)(3x^2+x-5)
原式=(x^2+1)^2-x^2+x(x-2)(x^2+x+1)
=(x^2+1+x)(x...
全部展开
原式= 6x^3+11x^2-7x-15
=6x³+2x²-10x+9x²+3x-15
=2x(3x²+x-5)+3(3x²+x-5)
=(2x+3)(3x^2+x-5)
原式=(x^2+1)^2-x^2+x(x-2)(x^2+x+1)
=(x^2+1+x)(x^2+1-x)+x(x-2)(x^2+x+1)
=(x^2+1+x)(x^2+1-x+x²-2x)
=(x^2+1+x)(2x^2-3x+1)
=(x^2+1+x)(2x-1)(x-1)
应该就是这样的吧,如果不懂的话,可以来问我,,
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