If you distribute -5 to the things in the parenthesis you would get 10k-20 which is the same as -5(-2k+4)
16x² - 49
= (4x)² - 7²
Identity =》 a² - b² = (a + b) (a - b)
(4x)² - 7²
= (4x + 7) (4x - 7) [3rd option]
_______
Hope it helps ⚜
The second in the top row is this:
42.4-1.5(TIMES)3.1
42.4-46.5
-4.1
Answer:
I think it 168 square units
Step-by-step explanation:
hope it helps
Answer:
It makes sense to me but I don't know if anyone else agrees
Step-by-step explanation: