# SOLUTION: 2=-9x^2 - x

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 Question 171090: 2=-9x^2 - xAnswer by jim_thompson5910(28717)   (Show Source): You can put this solution on YOUR website! Start with the given equation. Get all terms to the left side. Rearrange the terms. Notice we have a quadratic equation in the form of where , , and Let's use the quadratic formula to solve for x Start with the quadratic formula Plug in , , and Square to get . Multiply to get Subtract from to get Multiply and to get . Simplify the square root (note: If you need help with simplifying square roots, check out this solver) or Break up the expression. So the answers are or which approximate to or