anonymous
  • anonymous
solve q+3=-4 --- q
Mathematics
chestercat
  • chestercat
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anonymous
  • anonymous
q + 3=-4 -- q
anonymous
  • anonymous
subtract 3 from both sides of the equals sign: q + 3 - 3 = -4 - 3 becomes q + 0 = -7 or q = -7
anonymous
  • anonymous
no the answer is -3,-1

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anonymous
  • anonymous
are suppose to be factoring...something missing?
anonymous
  • anonymous
I guess you meant \[q+3/q=-4 \] just multiply with q. to get \[q ^{2}+3 =-4q\] Now add 4q to get 0 at one side. factorise it: (x+3)(x+1)=0 The solution is -3,-1
anonymous
  • anonymous
Ahhh, is it this: q + 3/q = -4? then multiply every term by q: q*q + q*3/q = -4*q Simplify: q^2 + 3 = -4q add 4q to both sides: q^2 + 3 + 4q = -4q + 4q simplify: q^2 +4q +3 = 0 and factor (q+1)(q+3)
anonymous
  • anonymous
the answer is -3,-1 according to mathlab
anonymous
  • anonymous
set the factor equal to 0 and solve so you get -3 and -1
anonymous
  • anonymous
yes
anonymous
  • anonymous
do you have more
anonymous
  • anonymous
find the LCM 18, 48 I have 18=3*3*2 48=4*3*2*2

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