1.
2. Rozwiąż równanie:
1)
∛(-0,3⁶)= -∛(0,3⁶) = -(0,3)²= -0,09
2)
(x+5)²-(x-3)²-x-91 = 15x-75 (uproszczenie)
15x-75=0
15x=75
x=5
1
2
x²+10x+25-x²+6x-9-x-91=0
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1)
∛(-0,3⁶)= -∛(0,3⁶) = -(0,3)²= -0,09
2)
(x+5)²-(x-3)²-x-91 = 15x-75 (uproszczenie)
15x-75=0
15x=75
x=5
1
2
x²+10x+25-x²+6x-9-x-91=0
15x-75=0
15x=75
x=5