Question

RESOLVER ESTA EQUACAO 2X²+5X-6=0

Answer 1

$2x^{2} +5x-6=0 \Delta= b^{2} -4.a.c= \Delta= 5^{2}-4.2.(-6)= \Delta=25+48= 73 x^{1} -+5 \sqrt{73} /2.2= -5 \sqrt{73}/4 x^{2} -+5 \sqrt{73} /2.2=5 \sqrt{73} /4$


Espero ter ajudado