8t+72-60t=0 x+6x-6=0 3Q
1个回答
8t+72-60t=0化简为4(2t-3)(t-6)=0 所以t=3/2或者t=6 x+6x-6=0化简为(x+3)2=15 所以x+3=±√15 所以x=±√15-3
求采纳
相关问题
x(x-8)=4 -x²+6x+7=0 x²+12x=9968 t2=6√2t +2
=IF(T6=0,U6-R6-AA6,IF(X6=0,Y-AA6,((N6+P6)*Q6-R6)/Q6*-X6+Z6+Y
0.72:x=9.6:4.8 x=?
如果x=1/2t,y=1/3t,x-6y+3/4=0,那么t=
x=4t+(1/t)-6,t∈(0,+∞),求x取值范围.x=4t+(1/t)-6>=2√4-6,这步怎么来
X=4t+(1/t)-6,t>0,求X的取值范围,
x²-6x-2=0y²=2(y+1)2t(t+1)-3t=5(t-2)(3x-1)(x+2)=11x
5t+2t= a-0.8a= 5t-2t= 7a-6a= a+0.5a= 2x+2x= 2x*2x= a*5a= 8a+
(∫(0到x)t*e^t*sint dt)/x^6*e^x,求极限,x趋于0
14.5-[2(t+3)]/5=0.15t/0.1-(0.4t-2.8)/0.6