题目

解方程：(2x+3)2-25=0 答案：【答案】x1=1，x2=-4．【解析】先移项，写成(x+a)2=b的形式，然后利用数的开方解答．解：移项得，(2x+3)2=25，开方得，2x+3=±5，解得x1=1，x2=-4．—Look! It’s snowing heavily. _________ put on a coat with you?—Well, I will take one right now.A.Why not B.Why don’t C.Would you like