Answer:
One Real number solution
Step-by-step explanation:
check the discriminant
12^2 - 4*4*9
b^2 - 4ac
...
144 - 16*9 = 0
one double root
Answer: 5.2
Step-by-step explanation:
3*7 = 21
21/5 = 4.2
<span>The best and most correct answer among the choices provided by the question is the third choice:
table 3:
step 1.x^2+8x+15+1=0+1
step 2.x^2+8x+16=1
<span>step 3.(x+4)^2=1</span>
I hope my answer has come to your help. God bless and have a nice day ahead!</span>