a) (-4x+8):4 = -x + 2 b) (5x+10y):5 = x + 2y c) (6p2-8pr):(-2) = -3p² + 4pr d) (3x-6xy+1):(-3) = -x + 2xy - 1/3 e) (x2+x-1):(-0.16) = (x² + x - 1) : (- 4/25) = (x² + x - 1) * (-25/4) = -25/4x² - 25/4x + 25/4 = -6 1/4x² - 6 1/4x + 6 1/4 f) (2.5x2-0.5x+1):5 = 0,5x² - x + 1/5
Przekżtałć ilorazy na sumy. a) (-4x+8):4 = = (-4x) : 4 + 8 : 4 = = -x + 2 b) (5x+10y):5= = 5x : 5 + 10y :5= = x + 2y c) (6p2-8pr):(-2)= = 6p² :(-2) - 8pr : (-2)= = - 3p² + 4pr d) (3x-6xy+1):(-3)= = 3x:(-3) - 6xy : (-3) + 1 : (-3)= = -x + 2xy -1/3 e) (x2+x-1):(-0.16)= = x² : (-16/100) + x : (-16/100) -1 : (- 16/100)= = x² *(-100/16) + x *(-100/16) - 1*(-100/16)= = x²*(-25/4) + x ( -25/4) - 1*(-25/4) = =( -25/4)x² - 25/4x + 25/4 = = (-25/4)[ x² + x - 1) f) (2.5x2-0.5x+1):5= = (2,5x² :5 - 0,5x : 5 + 1 : 5= = 0,5x² - 0,1x + 1/5= = 0,5x² - 0,2 + 0,2
