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