| 6x − 3x2 | ||
Wartośc wyrażenia | dla √3−2 równa się ? | |
| x2 −4 |
| 6(√3−2)−3(√3−2)2 | |
= | |
| (√3−2)2−4 |
| 6√3−12−3(3−4√3+4 | ||
= | = | |
| 3−4√3+4−4 |
| 6√3−12−9+12√3−12 | ||
= | = | |
| 3−4√3 |
| (18√3−33)(3+4√3) | ||
=U{18√3−33}{3−4√3= | = | |
| −39 |
| 117−78√3 | ||
= | =−3+2√3=2√3−3 | |
| −39 |
| −3x(x−2) | −3x | |||
W= | = | |||
| (x−2)(x+2) | x+2 |
| −3(√3−2) | ||
W= | = −√3(√3−2)= 2√3−3 | |
| √3 |