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3x + 5 + 2x + 3 + 2sqrt(3x+5)(2x+3) = -1
2sqrt(3x+5)(2x+3 = 5x - 9
square both sides
4(3x+5(2x+3) = (5x - 9)^2
this will reduce to a quadratic equation
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ok, thank you for the information.. I really am only an English tutor trying to help math students
so the answer would be x^2 + 14x + 21 = 0 ..??
however with these type of problems because of the squaring you cannot be sure that these solutions are valid
- in fact these 2 are not - if you plug them into original equation they will not fit because you cant have a real square root of a negative number
eg sqrt (-1.71*3 -5)
there are no solutions to this equation - the best way would have been to draw the graph
i'll do that on wolfram
here it is
ok, I appreciate that very much!
the graph looks like this
if there were any roots the curve would intersect the x-axis
ok, thank you.. GOT IT!!
YOU ARE SO AWESOME!!
lol - ty - but it would have been wiser to draw the graph first!