6x^4-13x^3+12x^2-12x+6
1个回答
也许打字有误:
6x^4-12x^3+12x^2-12x+6
=6(x^2+1)^2-12x(x^2+1)
=6(x^2+1)(x^2+1-2x)
=6(x^2+1)(x-1)^2.
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-12x^4+6x^2-3x^6=(-3x)·________
2x+3.6X2=12.73(x+3.6)=18.6x+3.5x=13.5解方程
2x+3.6X2=12.7 3(x+3.6)=18.6 x+3.5x=13.5 解方程
(1)5.6x=17.28-4x (2)15x+3.8×12=87.6 (3)4×4.5-3x=6.33 (4)13x-
解方程:(1)6(12x-4)+2x=7-(13x-1)(2)[x-3/0.5-x+40.2=1.6
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x^3*x^5*x+(x^3)^12+4(x^6)^2
解方程. 2x+4=6 35x+13x=9.6 [3/4]x-[2/5]x=[7/12] [7/9]x÷14=[1/2]