Question

I NEED HELP !!!!!!!!!

Answer 1

Answer:

b

d

e

Step-by-step explanation:

the standar form is

$ax^{2} +bx+c=0$

so it's

$0.5x^{2} -3.2x+5.8=0\\\\-x^2-3x+20=0\\\\\frac{1}{2}x^2+4x-3=0$

only that