Step-by-step explanation:
this is the process to convert to the perfect square.
try to bring convert to (x-a)^2 or (X+a)^2
I've done 2 questions hope it gives u the basic idea .
<span>f(x) = ax2+bx+c, is quadratic equation
</span><span>function opening downward if the a<0,
</span><span>kf(x) = -x², a= -1<0
so the answer is </span><span>B.kf(x) </span><span>
</span>
Answer:
x=-85
Step-by-step explanation:
The answer is D. 125
Can you please mark me brainiest!!!!