Question #4844b

1 Answer
Fty
Jul 9, 2017

-0.8181818182

Explanation:

#2x^2# #=# 4#x#

#=##4x + 7x# #=# 11#x#

#=# #11x + 9 = 0#

#= 11x+9-9=0-9#

#=11x=-9#

#=# #11/11# #=# 1

=# ## -9/11# #=# #-0.8181818182#

To check if the answer is correct,

#=# #-0.8181818182# x #11 + 9 # = #0#

I hope this helps

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