But it's not one doesn't always have to be the gcf
For me personally, the easiest way to do this is by isolating the x² term, and finding the square root of both sides. The hardest way (well actually, the longest way) would be to use the quadratic formula. It just complicates things unnecessarily.
Answer:
+ 
=
+ 36 = 64
= 64-36
= 28
= 2
h = 5.29
Step-by-step explanation:
The first one is -4 and the second one is 6.
0.43 =
3/100 = 0.03
+
4/10 = 0.4
0.03 + 0.4 = 0.43.
Hope this helped☺☺
