Will mark as brainliest.
I only need help with 2 questions after this.
I solved the rest on my own but I´m confused on this one as well as the other two aforementioned.

Will mark as brainliest I only need help with 2 questions after this I solved the rest on my own but Im confused on this one as well as the other two aforementi class=

Respuesta :

X^2+4x+4=0
Discriminat Is. Zero
b= 4 a=1 c= 4

B^2-4ac
4^2-4(1)(4)
16-16=0
One real. Solution

-3=x²+4x+1
x²+4x+4 = 0
discriminant = b²-4ac
here a=1 , b= 4, c= 4
D = 4²-4×1×4
D = 16-16 =0
D=0
so two equal roots
one real solutions