September 2018 1 15 Report

Bardzo proszę o pomoc.!

Rozwiąż równanie:

a) x^{2} - 3x - 7 = 0

b) x^{2} - 11x + 28 = 0

c) x^{2} +4x - 5 = 0

d) x^{2} + 5x = 0

e) x^{2} - 15 = 0

f) x^{2} + 4 = 0

g) 2x^{2} + 8x + 3 = 0


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