The value of x in the equation 
is x=(7+3
)/2,
(7-3)/2.
Given equation .
We have to find the solution of the equation.
Equation is solved to find the value of variables. The number of values of the variable depends on the highest power of variables.
let (x-5)=u-------------------1
equation becomes 
solution of a quadratic formula
x=-b±
/2a
on comparing with general form a=1,b=3, c=9
u=-3±
=-3±
=-3±
=-3±
+3
, 
=-3-3
put the values of 
in equation 1
x-5=
x-5=-3+
x=-3+3
x=7+3
put the values of in equation2
x-5=
x-5=-3-3
x=7-3
Hence the values of x are 7+3
, 7-3.
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Answer:
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Step-by-step explanation:
Answer:
okay
Step-by-step explanation:
2^3 times 3^2
Answer:
yes
Step-by-step explanation:
Answer:
The size of the population of red squirrels in the UK at the start of 2010 is 3772
Step-by-step explanation:
At the start of 2016 , No. of squirrels = 10000
The rate of decrease is 15% per year.
So, No. of squirrels after x years = 
We are supposed to find the size of the population of red squirrels in the UK at the start of 2010.
So,No. of squirrels after 6 years = 
Hence the size of the population of red squirrels in the UK at the start of 2010 is 3772
