Answer:
28° 62°
Step-by-step explanation:
Hope this helps :)
Answer:7
7,because 30-1/2=7
-8a(a+3b)
(2a+6b)(6b−2a)−(2a+6b)^2
(2a+6b) {(6b−2a)−(2a+6b)(2a+6b)}
2(a+3b) (6b-2a-2a-6b)
2(a+3b) (-4a)
-2(a+3b) x 4a
-2 x 4a (a+3b)
69x
X= -4
