(每小题5分,本题共20分)计算:(1) (2)(-+-)×(-48)(3)(4)
+8x3=﹣116.
(x+1)3=.
(1)已知(x+1)2﹣1=24,求x的值; (2)已知125x3+343=0,求x的值.
计算:
(本小题5分)解方程: