4b^2 - 16 =
4(b^2 - 4) =
4(b + 2)(b - 2)
The prime factorisation for 58 is 2 x 29
:)
Hello,
It is the Fibonacci 's suit.
Answer is 2nd option
B. WYZ = WZX = ZYX
{ x + 4y = 22 ( + x - x = 0 )
{ - x + 5y = 23
4y + 5y = 22 + 23
9y = 45
y =<u> 45 </u>
9
y = 5
x + 4y = 22
x + 4 . 5 = 22
x + 20 = 22
x = 22 - 20
x = 2
S = { 2 , 5 }
