How do you factor $2x^2 + x - 3 =0$ ?

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Answer 1 · 2017-02-07T21:34:09

$(x-1)(2x+3) = 0$

Given:

$2x^2+x-3 = 0$

Note that the sum of the coefficients is $0$ . That is:

$2+1-3 = 0$

Hence $x=1$ is a root and $(x-1)$ a factor:

$0 = 2x^2+x-3 = (x-1)(2x+3)$

How do you factor 2x^2 + x - 3 =02x^2 + x - 3 =0?