Jawabanmu

2014-08-31T12:53:36+07:00
A. (2x-3) (x-3) = 2x² - 6x - 3x +9 = 2x² - 9x + 9
b. (4k+1)² = 16k² + 8k +1
2 3 2
2014-08-31T12:54:56+07:00
A. 2x²-6x-3x+9= 2x²-9x+9
b. (4k+1)(4k+1)= 16k²+4k+4k+1= 16k²+8k+1
1 1 1