(x+2)(4-3x)= 4x-3x(kwadrat)+8-6x=-2x-3x(kwadrat)+8
(-1+5x)(x-2)=-x+2+5x+10x=14x+2
7x-2(x+3)(5-x)=7x+(-2x-6)(5-x)=7x+(-10x+2x(kwadrat)-30+6x)= 7x-4x+2x(kwadrat)-30=3x+2x(kwadrat)-30
a) (x+2)(4-3x)=4x - 3x2 +8 - 6x= -2x -3xdo kwadratu + 8
b) (-1+5x)(x-2)=-x + 2 +5x do kwadratu - 10x = -11x + 2 +5x do kwadratu
c) 7x-2(x+3)(5-x)=7x - 2(5x - x do kwadratu + 15 -3x)=7x - 10x + 2x do kwadratu - 30 + 6x = 3x + 2x do kwadratu - 30
POZDRAWIAM STONA
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(x+2)(4-3x)= 4x-3x(kwadrat)+8-6x=-2x-3x(kwadrat)+8
(-1+5x)(x-2)=-x+2+5x+10x=14x+2
7x-2(x+3)(5-x)=7x+(-2x-6)(5-x)=7x+(-10x+2x(kwadrat)-30+6x)= 7x-4x+2x(kwadrat)-30=3x+2x(kwadrat)-30
a) (x+2)(4-3x)=4x - 3x2 +8 - 6x= -2x -3xdo kwadratu + 8
b) (-1+5x)(x-2)=-x + 2 +5x do kwadratu - 10x = -11x + 2 +5x do kwadratu
c) 7x-2(x+3)(5-x)=7x - 2(5x - x do kwadratu + 15 -3x)=7x - 10x + 2x do kwadratu - 30 + 6x = 3x + 2x do kwadratu - 30
POZDRAWIAM STONA