解方程(1——5每题4分,6题5分)
(1)9x2 = 16
(2)x2+6x = 7
(3)x2 - 8x + 15 = 0
(4)x(x – 4)=" -" 3
(5)(2x + 1)2+ 15 = 8(2x + 1)
(6)(3x – 5)(x – 2)= 1
相关知识点
推荐套卷
解方程(1——5每题4分,6题5分)
(1)9x2 = 16
(2)x2+6x = 7
(3)x2 - 8x + 15 = 0
(4)x(x – 4)=" -" 3
(5)(2x + 1)2+ 15 = 8(2x + 1)
(6)(3x – 5)(x – 2)= 1