Welcome to Westonci.ca, the place where your questions find answers from a community of knowledgeable experts. Explore thousands of questions and answers from a knowledgeable community of experts on our user-friendly platform. Get immediate and reliable solutions to your questions from a community of experienced professionals on our platform.

What's m2-5m-14=0 solved using the quadratic formula?


Sagot :

the answers are x=7 or x=-2 

[tex]x=-b[/tex]+[tex] \sqrt{b ^{2} -4ac} [/tex]/2
x=5 + [tex] \sqrt{(-5) ^){2}-4(1)(-14 } [/tex]/2
x=5 +[tex] \sqrt{25+56} [/tex]/2
x=5 +[tex] \sqrt{81} [/tex]/2
x=5 +[tex] \sqrt{81} [/tex]/2.....x=7
or
x=5 - [tex] \sqrt{81} [/tex]/2....x=-2