(4x-2) + )5x +3)
(y² + 5y -6) + (2y² - y +8)
(3xy -5x²y) -(10xy-2x²y
(-12abc-4a²bc)-(abc+a²bc)+12
Daje naj pomocy
1)...=9x+1
2)...=3y²+4y+2
3)...=3xy -5x²y-10xy+2x²y=-7xy -3x²y
4)...=-12abc - 4a²bc-abc-a²bc +12 =
=12-13abc-5a²bc
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1)...=9x+1
2)...=3y²+4y+2
3)...=3xy -5x²y-10xy+2x²y=-7xy -3x²y
4)...=-12abc - 4a²bc-abc-a²bc +12 =
=12-13abc-5a²bc