Sagot :
Answer:
3.
[tex]x = 12 \\ x = 2[/tex]
4.
[tex]x = 5 \\ x = - 3[/tex]
5.
[tex]=\frac{5}{2}[/tex]
6.
[tex]=± \sqrt{61} [/tex]
7.
[tex] {x}^{2} - 20x + 100 = 0[/tex]
[tex]x = 12 \\ x = 2[/tex]
[tex]x = 5 \\ x = - 3[/tex]
[tex]=\frac{5}{2}[/tex]
[tex]=± \sqrt{61} [/tex]
[tex] {x}^{2} - 20x + 100 = 0[/tex]