解方程:5x2+2x=125
原方程即5x2+2x=53,
∴x2+2x=3∴x=-3或x=1.
故原方程的解为:x=-3或x=1.
We should find a _____place for a picnic. I mean, it is not far away from here and it is very quiet.
A.beautiful
B.public
C.warm
D.proper
案中汽车经折价,变卖得1.6万元。如1.6万元均支付给建设银行,张三与王五如何分配承担债务