If the question is 40 - 
, then you would do 16 ÷ 4 = 4, and then 40 - 4 = 36.
If the question is 
, then you divide both 40 and 16 by 4, to get 10 - 4 = 6.
I hope this helps!
Answer:
A. (x + 2)²(x - 2)²
Step-by-step explanation:
x⁴ - 8x² + 16 =
(x² - 4)(x² - 4) =
(x - 2)(x + 2)(x - 2)(x + 2) =
(x - 2)²(x + 2)²
Answer:
<h2>100</h2>
Step-by-step explanation:
BIDMAS
do the bracket first
50+20=70
70+30=100
