1.Rozwiąż równiania.
(y- 3)^3 = 39+ y^2
-(x- 6)^2 - (3-x) (3+x)
(x-5)^2 = x^2 + 15
(2a- 5)^2 = (1-2a) (1+2a)
1. 3y-9=39+2y /-2y+9
3y -2y=39+9
y=48
2. -2x+12-9+3x-3x-x(do kwadratu)= -3x+3
3. 2x-10=2x+15 /- 2x
-10=15
4. 4a-10=1+2a-2a-4a(do kwadratu)
4a-10=1-4a(do kawadratu)
-10=1
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1. 3y-9=39+2y /-2y+9
3y -2y=39+9
y=48
2. -2x+12-9+3x-3x-x(do kwadratu)= -3x+3
3. 2x-10=2x+15 /- 2x
-10=15
4. 4a-10=1+2a-2a-4a(do kwadratu)
4a-10=1-4a(do kawadratu)
-10=1