1) =(x-2)²+3
2) =(x+3/2)²-1/4
3) =4(x²+x-5/4)=4((x+1/2)²-6/4)=4(x+1/2)²-6
4) =9(x²-2x/3-4/9)=9((x-1/3)²-5/9)=9(x-1/3)²-5
1) =(x-2)²+3
2) =(x+3/2)²-1/4
3) =4(x²+x-5/4)=4((x+1/2)²-6/4)=4(x+1/2)²-6
4) =9(x²-2x/3-4/9)=9((x-1/3)²-5/9)=9(x-1/3)²-5