x | 2x2 | |||
1 + | = | |||
x+2 | x2−4 |
x+2 | x | 2x2 | |||
+ | = | ||||
x+2 | x+2 | x2−4 |
2x+2 | 2x2 | ||
= | |||
x+2 | x2−4 |
(2x+2)(x−2) | 2x2 | ||
− | = 0 | ||
(x+2)(x−2) | (x−2)(x+2) |
(2x+2)(x−2) − 2x2 | |
= 0 | |
(x+2)(x−2) |
2x+2−2x2 | |
= 0 | |
(x+2) |
5^2 | 52 |
2^{10} | 210 |
a_2 | a2 |
a_{25} | a25 |
p{2} | √2 |
p{81} | √81 |
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