4 years ago

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

1 answer:

3 0

$\Delta=3^2-4\cdot2\cdot0=9$

$9\ \textgreater \ 0$ so, there are two solutions

or simply by solving

$2x^2+3x=0\\
x(2x+3)=0\\
x=0 \vee x=-\dfrac{3}{2}
$

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