Answer:
x^2 - 2x - 7 = 0
Step-by-step explanation:
??? Maybe I am not sure
Answer:
x = 3.82 or x=-1.82
Step-by-step explanation:
[tex]x^{2} -(2x+7) = 0\\x^{2} -2x-7=0\\[/tex]
The solution is:
[tex]x=\frac{2+\sqrt{2^{2}+4*7 } }{2}[/tex]
or
[tex]x=\frac{2-\sqrt{2^{2}+4*7 } }{2}[/tex]
So x = 3.82 or x=-1.82