Question

9x^2 +3x-12 and 18x^2+6x -24 . Solve this problem with the help of oly one graph
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Answer 1

see they are both identical equations just with a factor of 2 multiplied

so the graph is superimposed

and hence all solutions are the solutions of the system Its root of D is 21

hence roots are

-9+21/18

-9-21/18

16/18 and -30/18

so the graph is like

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