Question

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

Answer 1

b

d

e

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\\\\(1)/(2)x^2+4x-3=0\\\\`

only that