IDNLearn.com offers a unique blend of expert answers and community insights. Ask anything and receive well-informed answers from our community of experienced professionals.

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