5^x^2+x = 5^2 (5 coret habis)
x^2+x-2 = 0
kita faktorkan :
(x+2)(x-1)
x =-2 x = 1
HP(-2,1)
7. 1 __________
_____ = 3V 1/2^12-3x
4^x-1
pembahasan :
(2^2)^x-1 = 2^-12+3x/3 (2 coret habis)
-2x + 2 = -4 + x
5^x^2+x = 5^2 (5 coret habis)
x^2+x-2 = 0
kita faktorkan :
(x+2)(x-1)
x =-2 x = 1
HP(-2,1)
7. 1 __________
_____ = 3V 1/2^12-3x
4^x-1
pembahasan :
(2^2)^x-1 = 2^-12+3x/3 (2 coret habis)
-2x + 2 = -4 + x
Editor: Muhammad Khusaini