(x+2)(3x-2)-5(x+6)(x-6)
2个回答
=(3x²+4x-4)-5(x²-36)
=3x²+4x-4-5x²+180
=-2x²+4x+176
相关问题
设M={x|x-2/3+x-3/2=3/x-2+2/x-3}N={x|x-6/5+x-5/6=5/x-6+6/x-5}求
(2-6x/3)-(5-6x/6)+3x=(1+5x/2)
解不等式(x2-3x+2)/(x2-5x-6)>(x2-5x-6)/(x2-3x+2)
分解因式(3x+2)(2x+3)-(6x-5)(5x-6)
(6x+2)/(x^2+3x+2)=5-(2x^2+6x+4)/(3x+1)
-3x-6=-6 3x-5=6x+7 4(2x-1)=4-2(x-6)
[(x^2-2x+1)/(x^2+5x-6)]+[(x^2+3x-11)/(x+6)]
3(2x-1)(x+6)-5(x-3)(x+6)
3(2x-1)(x+6)-5(x-3)(x+6)
填空题x^2-5x+6=()();x^+5x+6=()() x^+5x-6()();x^2-5x-6()()