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Resolver la ecuaci贸n para $x$
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$21x^2+11x-2=0$
Learn how to solve equations problems step by step online. Solve the equation 21x^2+11x+-2$=0$. Resolver la ecuaci贸n para x. Factor the trinomial 21x^2+11x-2 of the form ax^2+bx+c, first, make the product of 21 and -2. Now, find two numbers that multiplied give us -42 and add up to 11. Rewrite the original expression.