Question 668072
Multiply the entire equation by x
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{{{6x + cross(x)(10/cross(x)) = x(x) + 9x}}}
{{{6x + 10 = x^2 + 9x}}}
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Combine terms to make quadratic.
{{{0 = x^2 + 9x - 6x - 10}}} 
{{{x^2 + 3x - 10 = 0}}}
(x-2)(x+5) = 0
x-2 = 0, so {{{highlight_green(x = 2)}}}
x+5 = 0, so {{{highlight_green(x = -5)}}}
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Solutions
-5 and 2
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