解方程:(4x-1)²-10(4x-1)-24=0
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解方程:(4x-1)²-10(4x-1)-24=0
解方程:(4x-1)²-10(4x-1)-24=0
解方程:(4x-1)²-10(4x-1)-24=0
(4x-1)²-10(4x-1)-24=0
(4x-1+2)*(4x-1-12)=0
所以 4x-1+2=0或4x-1-12=0
故:x=-1/4或13/4
(4x-1)²-10(4x-1)-24=0
(4x-1-12)(4x-1+2)=0
(4x-13)(4x+1)=0
x1=13/4 x2=-1/4
16x^2+1-8X-40X+10-24=0
X^-3x-13/16=0
a=1 b=-3 c=-13/16
3±根号下49/4除以2
解之x1=13/4
x2=-1/4