Answer:


Step-by-step explanation:
← Equation 1

By simplifying the above equation we get,
(Simplifying the brackets)
(By subtracting
from
) ← Equation 2
Multiply Equation 1 by 5 and Equation 2 by 3 and add them together.
Equation 1 multiplied by 5 will give,

Equation 2 multiplied by 3 will give,

Add those together,
(After simplifying
values)
Therefor 
By substituting
to Equation 1 we get,


Therefor we can say,


a regular hexagon has 6 sides so divide the perimeter by number of sides to find the length
15/6 = 2.5 cm
Answer:
x=-2
do your box method and find what multiplies to C and adds to B
to check your answer substitute x with what x=
answer:
-167
Step-by-step explanation:
if x=-6 you use the equation with -6 for x, 27 times -6 is -162, -162-5 is -167.