Answer:
1.standard form : 4x²+-5+0=0
value of a =4, b=-5 , c=0
2.standard form: 2x²+ -3x +-20=0
value of a= 2 , b=-3 ,c =-20
3. standard form : 2x²+-2+-6=0
value of a=2 ,b=-2 ,c=-6
4.standard form: 1x²+5x+-4=0
value of a= 1, b=5, c=-4
di ko po sure kung tama pero sana po makatulong:)
