Answer:

1.2x²-x=6

2x²-x-6=0

a=2,b=-1,c=-6

2.4x²+5=-1

4x²+5+1=0

4x²+6=0

a=4,b=0,c=6

3.x²-5=2x

x²-2x-5=0

a=1,b=-2,c=-5

4.3x²-x=2(1-x)

3x²-x=2-2x

3x²-x-2x-2=0

3x²-3x-2=0

a=3,b=-3,c=-2

5.5x²-3x+4=4

5x²-3x+4-4=0

5x²-3x=0

a=1,b=-3,c=0

Step-by-step explanation: