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ParthKohli Group TitleBest ResponseYou've already chosen the best response.0
A good start is subtracting 64 from both sides.\[ \color{Black}{\Rightarrow 9x^2 + 3x + 25  64 = 0}\] Simplify, and solve the quadratic equation.
 2 years ago

a.galvan2 Group TitleBest ResponseYou've already chosen the best response.0
the 9x^2 is what I am confused about.
 2 years ago

Ganpat Group TitleBest ResponseYou've already chosen the best response.2
u can solve it by factorization...
 2 years ago

BougyMan Group TitleBest ResponseYou've already chosen the best response.0
(9x^2+3x)(2564)
 2 years ago

Ganpat Group TitleBest ResponseYou've already chosen the best response.2
9x2+30x+25=64 9x2+30x+2564 = 0 9x2+30x39 = 0 9x2 9x + 39x 39 = 0 9x(x1) +39 (x1) = 0 (9x +39) (x1) = 0 so, x = 39/9 and x =1....
 2 years ago

a.galvan2 Group TitleBest ResponseYou've already chosen the best response.0
sorry, but I do know the answer involves imaginary numbers.
 2 years ago

agentx5 Group TitleBest ResponseYou've already chosen the best response.1
Actually no... The solutions for x as an answer does not involve imaginary #'s, and it's not 59/3
 2 years ago

agentx5 Group TitleBest ResponseYou've already chosen the best response.1
@Ganpat is correct.
 2 years ago

cornitodisc Group TitleBest ResponseYou've already chosen the best response.0
ah..so my answer was wrong...sorry
 2 years ago

agentx5 Group TitleBest ResponseYou've already chosen the best response.1
With the imaginary line, it's the intersection: dw:1343664593480:dw
 2 years ago

a.galvan2 Group TitleBest ResponseYou've already chosen the best response.0
The answer in the back of the book is \[x=(10+2i \sqrt14)/6, (102i \sqrt14)/6 \] I just can't figure out how it got there.
 2 years ago

agentx5 Group TitleBest ResponseYou've already chosen the best response.1
The blue line is (3x+5)^2 The imaginary line is 64i
 2 years ago

agentx5 Group TitleBest ResponseYou've already chosen the best response.1
That answer is crazy, this has solvable real number values. Yes you can combine those to get X, but why?
 2 years ago

agentx5 Group TitleBest ResponseYou've already chosen the best response.1
In this case I'd say either the problem was written down for us incorrectly/incompletedirections, or the book is making it a whole lot harder than it needs be...
 2 years ago

a.galvan2 Group TitleBest ResponseYou've already chosen the best response.0
i do not know.
 2 years ago

agentx5 Group TitleBest ResponseYou've already chosen the best response.1
:S Go with what @Ganpat said, unless there's something missing or incorrect here with regards to the question and it's directions as you wrote it here. He's 100% correct.
 2 years ago

agentx5 Group TitleBest ResponseYou've already chosen the best response.1
Plug in those values for x and you'll it works.
 2 years ago

Ganpat Group TitleBest ResponseYou've already chosen the best response.2
@agentx5 : when did i say that ? :D.. lol
 2 years ago

Ganpat Group TitleBest ResponseYou've already chosen the best response.2
kidding dude !! :)
 2 years ago
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