trxppical trxppical

04-07-2017
Mathematics

contestada

Determine the number of solutions of 2x2 + 3x = 0.

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konrad509 konrad509

04-07-2017

[tex]\Delta=3^2-4\cdot2\cdot0=9[/tex]

[tex]9\ \textgreater \ 0[/tex] so, there are two solutions

or simply by solving

[tex]2x^2+3x=0\\ x(2x+3)=0\\ x=0 \vee x=-\dfrac{3}{2} [/tex]

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