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Polynomial word equation help what an I doing wrong?

ry another similar questionhen you are done, click here to see a summary of your scoreQuestion with last attempt is displayed for your review onlyA small toy rocket is launched from a 20-foot pad. The height (h, in feet) of the rocket t seconds after taking off is given bythe formula h - - 2x" + 6x + 20. How long will it take the rocket to hit the ground?0,3" (Separate answers by a comma. Write answers as integers or reduced fractions.)Message instructor about this questionCHAT ACOACHace.Oil%A&567890backsughkbnm