Answer:
[tex]y=x^2+6x+1[/tex]
Step-by-step explanation:
[tex]y= (x+3)^2-8[/tex]
[tex]\left(x+3\right)^2[/tex]
[tex]x^2+2x\cdot \:3+3^2[/tex]
Multiply 2*3=6
[tex]x^2+6x+3^2[/tex]
[tex]3^2=9[/tex]
[tex]x^2+6x+9[/tex]
[tex]x^2+6x+9-8[/tex]
Subtract 9 - 8=1
[tex]x^2+6x+1[/tex]
OAmalOHopeO
