3 DZIAŁANIA Z MATEMATYKI, PROSZĘ O POMOC ! /.:(((
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WYKONAJ DZIAŁANIA, PODAJ ODPOWIEDNIE ZAŁOŻENIA
x:(x+5)+(2-3x)(3x-1)=[x(3x-1)+(2-3x)(x+5)]:[(x+5)(3x-1)]=(3x²-x+2x-3x²+10-15x):(3x²-x+15x-5)=(-14x+10):(3x²+14x-5)
x≠-5 i x≠1/3
4x:(x²-4)-4:(2+x)= 4x:(x-2)(x+2)-4:(2+x) = 4x:(x-2)(x+2)-4(x-2):(2+x)(x-2)=(4x-4x+8): (x²-4) =8: (x²-4)
x≠2 i x≠-2
(x²-16):(x+1) * ( x³+3x²+3x+1):(x+4)= (x-4)(x+4):(x+1) * ( x³+3x²+3x+1):(x+4)= (x-4):(x+1) * ( x³+3x²+3x+1)
x≠-1 i x≠-4
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x:(x+5)+(2-3x)(3x-1)=[x(3x-1)+(2-3x)(x+5)]:[(x+5)(3x-1)]=(3x²-x+2x-3x²+10-15x):(3x²-x+15x-5)=(-14x+10):(3x²+14x-5)
x≠-5 i x≠1/3
4x:(x²-4)-4:(2+x)= 4x:(x-2)(x+2)-4:(2+x) = 4x:(x-2)(x+2)-4(x-2):(2+x)(x-2)=(4x-4x+8): (x²-4) =8: (x²-4)
x≠2 i x≠-2
(x²-16):(x+1) * ( x³+3x²+3x+1):(x+4)= (x-4)(x+4):(x+1) * ( x³+3x²+3x+1):(x+4)= (x-4):(x+1) * ( x³+3x²+3x+1)
x≠-1 i x≠-4