October 2018 1 20 Report

Rozwiaz rownanie:

a) (x-1)(x+2)=(x+3)(x+4)

b) 6x(3-2x) = 5+4x(7-3x)

c) 5[2-6(x-1)] = 10

d) 1-[5(x+2)- 7] = 6(-x-3)

e) 4-4-[4-(4-x)] = 4

f) -x(4+x) +3 = x(7-x) + 5 (x - 9)

Doprowadz do najprostszej postaci:

a) 3x (x+1) + 7x(do kwadratu) - 3x

b) 3(-x+7a) + 21a + 3a

Dzieki.. daje naj.. :D


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