lexyknabb
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# Factor the expression. If the expression cannot be factored, say so.

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Kubesh678

Delta = 25 - 16 = 9 => $\sqrt{Delta} = 3;$ $x_{1} = (-5 + 3)/4 = -1/2 and x_{2} = (-5 -3)/4 = -2;$; => 2$x^{2} + 5x + 2 = 2(x+1/2)(x+2).$ = (2x+1)(x+2).

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