Open Question: how to solve this equation in x?

17:45 Publicado por Anónimo

ok, so the equation is y=2x^2 - 7x + 4
these are the values for x and i've drawn the graph

x -2 -1 0 1 2 3 4 5 6
y 26 13 4 -1 -2 1 8 19 34

then i had to draw a line y-17 and see where the x values were.
i got -1.3 and 4.7

now it says write down the equation in x whose solutions are the x values you found

how do i do this? thanks


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