x^2+5/6x+1/6
2个回答
原式=x²+5/6x+25/144-25/144+1/6
=(x+5/12)²-1/144
=(x+5/12+1/12)(x+5/12-1/12)
=(x+1/2)(x+1/3)
相关问题
(2-6x/3)-(5-6x/6)+3x=(1+5x/2)
1-1/(x2+7x+6)=(x2-5x+5)/(x 2-5x+6)
1&6=1X2X3X4X5,6&6=6X7X8X9X10.据此求:(2&5)÷(6&5)
1、5/6xπx6x62、1/6xπx2x2x2
6/5[5/6(2x+1)+5]-1=4x
(6x+5)(6x-5)-(6x-1)(6x-1)=-20
填空题x^2-5x+6=()();x^+5x+6=()() x^+5x-6()();x^2-5x-6()()
因式分解:(1)x^2-7x+6(2)x^2-5x+6(3)x^2-5x-6(4)x^2-7x+8(5)x^2-7x+1
2x-1/6-5x+1/8=1(2x-1)/6-(5x+1)/8=1