Answer:
x^2+2x+2
Step-by-step explanation:
(x+1)(x+1) multiply out
Answer:
x = 6
Step-by-step explanation:
2x + 3 = 4x + -9
2x + 3 = 4x - 9
-2x -2x
3 = 2x - 9
+9 +9
12 = 2x
6 = x
Answer:
-4/9
Step-by-step explanation:
Answer:
108°
Step-by-step explanation:
The reason for this is because opposite angles are equal
23: √6.91, √49, 15/2, 7 1/8
( i will do the rest in the comments as i finish them)