Question 1072567
-x+7=(0.5)(x-3)^2
-2x+14=(x^2-6x+9)
x^2-4x-5=0
(x-5)(x+1)=0
x=5, -1
check
2=2, true, so x=5 is a root
check
8=8 true, so -1 is a root.
{{{graph(300,300,-5,7,-10,10,-x+7,0.5(x-3)^2)}}}