Jawapan

Jawapan Paling Bijak!
2016-08-01T00:19:23+08:00
A. lorek r dgn q
3-x = 5 - 2x(x - 1)
3-x = 5 - (2x^2 - 2x)
3-x = 5 - 2x^2 + 2x
2x^2 - 2x - x - 5 + 3 = 0
2x^2 - 3x - 2 = 0
x=2 , x= -1/2

1 5 1