Question

va rog rezolvare pina la capat si raspuns merci mult

Answer 1

Δ=$b^{2}-4ac=36^2-4*4*11=1296-176=1120$
$x_{1}= \frac{36- \sqrt{1120} }{8} = \frac{36-4 \sqrt{70} }{8}= \frac{9- \sqrt{70} }{2}$
$x_{2}= \frac{9+ \sqrt{70} }{2}$