August 2018 1 25 Report
Proszę o rozwiązanie tych równań kwadratowych:

(5x+2)² = 20x
(2x-1)(x+2) = 3x-2
(1-3x)² = 1-6x
(3+2x)² = (3x+2)²+10
(5x-2)(3-x) = -6(1-x)(1+x)
x+9 = (x-3)²
(4x-6)² = (x-4)(x-9)
(x-2)(x+2) = 5

dziękuję, pozdrawiam.


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