Answer:
-8a(a+3b)
Step-by-step explanation:
(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)
-8a(a+3b)
Question is unclear to me ,, can you rewrite it in a nicer way so i can answer?
Answer:
cosS is 33/65
Step-by-step explanation:
The answer is D..... sorry I have to put the dots cause it says I need to type more
