October 2018 1 59 Report
Selesaikan persamaan kuadrat berikut!
1. 8x=x²+12
2. 2x²+6x-1=x²+6x
3. x(x+10)=3(5x-2)
4. (x+2)²=2x+3
5. x²+(x+1)²=(x+2)²
6. (2x+7)(x+8)=6x+35
bantu ya..kesusahan nih..
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