Step-by-step explanation:
x2 + 2xn + n2
x2 + xn + xn + n2
x(x + n) + n (x + n)
So (x + n)^2 is the factor
Answer:
p=1
Step-by-step explanation:
A deck has a combined 52cards.
Given that you're certain to select a red or black card:-
p(red)=>
p(black)=>
Therefore total probability of selection is expressed as:-

Answer:
-2 -4
Step-by-step explanation:
Answer:
62.90
Step-by-step explanation:
62 and 90 hundredths is more than 62 and 9 hundredths.
To compare decimal, try to say the decimal with its place value, and its way easier to compare.
16.3-(-4.2)=20.5
20.5 + 15.9=36.4