AlexaJettidn
Answered

IDNLearn.com provides a collaborative environment for finding accurate answers. Explore thousands of verified answers from experts and find the solutions you need, no matter the topic.

What are the solutions of 2x2 + 3x = -5

Sagot :

X=-3 since 4 + 3x = -5 then subtracting 4 on each sides you get that 3x = -9 and so x=-9/3 which is equal to -3.
Kate200468idn
[tex]2x^2 + 3x = -5\\2x^2 + 3x +5=0\\ \Delta=3^2-4\cdot2\cdot5=9-40=-31\\\\\Delta<0\ \Rightarrow\ no\ real\ solution\\\\ \Delta=-31\ \ \ \Rightarrow\ \ \ \Delta=31\cdot(-1)= \sqrt{31} ^2\cdot i^2=( \sqrt{31} \ i)^2\\\\x= \frac{\big{-3\pm \sqrt{\Delta} }}{\big{2\cdot2}} =\frac{\big{-3\pm \sqrt{31}\ i }}{\big{4}}[/tex]
We value your presence here. Keep sharing knowledge and helping others find the answers they need. This community is the perfect place to learn together. Your search for answers ends at IDNLearn.com. Thank you for visiting, and we hope to assist you again soon.