Solution:
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Make one side equal zero
minus 11 to both sides
x^2-6x-2=0
another quadratic equation
if you hahve
ax^2+bx+c=0
x=

1x^2-6x-2=0
a=1
b=-6
c=-2
x=

x=

x=

x=

x=

x=

or

aprox
x=6.31662 or -0.316625
A heptagon can be divided into 5 triangles
Answer:
6^6
Step-by-step explanation:
The applicable rule of exponents is ...
(a^b)/(a^c) = a^(b-c)
In this problem, that means ...
(6^9)/(6^3) = 6^(9-3) = 6^6
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It can help to remember that an exponent signifies repeated multiplication. Written out without exponents, the problem is ...

Note that the 3 instances of 6 in the denominator cancel 3 from the numerator. Clearly, the effect is the same as subtracting exponents.