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Factor the trinomial $2x^2+1x-1$ of the form $ax^2+bx+c$, first, make the product of $2$ and $-1$
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$\left(2\right)\left(-1\right)=-2$
Learn how to solve quadratic equations problems step by step online. Solve the quadratic equation 2x^2+x+-1=0. Factor the trinomial 2x^2+1x-1 of the form ax^2+bx+c, first, make the product of 2 and -1. Now, find two numbers that multiplied give us -2 and add up to 1. Rewrite the original expression. Factor 2x^2+2x-x-1 by the greatest common divisor 2.