Answer:

1. 3x²-x-6=0

a= 3x² b=-x c=-6

2. 5x²+4x-6=0

a=5x² b=4x c=-6

3. 3x²-12x+0=0

a=3x² b=-12x c=0

4. 1x²+1x-10=0

a=1x² b=1x c=-10

5. 3x²-1x+0=0

a=3x² b=-1x c=0

note: dont forget to copy the negative signs

(sana nakatulong)