August 2018 1 26 Report
Potrzebuję PILNIE!!!!!!! proszę ;(
rozwiaz równania i sprawdź poprawnośc rozwiązania
a) (x-1)² = x²
...- 2x +... = x² | -x²
-2x + ... = ... | - 1
-...= -1|: ...
x= ...
spr. ( ... - 1)² = x²
b) 3x + (6x + 1 ) = 4(5 + 9x²)- 4

c)(-3x+6)² - 2 = 3x(3x - 11) + 31

d) (-6x + 2 )² = -3(4-12x²)
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