Wykonaj mnożenie i przeprowadź redukcję wyrazów podobnych.
a) (m + 2) (m² + 4m + 1) b) ( x + 3) ( 3x² + 4x +2) c) ( k + 5) ( 6k² - 6k - 6) d) ( x² + x + 1) ( x - 1) e) ( 2p + 3) (3p² - 4p + 7) f) ( -4z - 3) ( 8z² - 2z + 4) plisss na teraz dam naj za zrobienie na teraz
dagimagi14
A) m³+4m²+m+2m²+8m+2=m³+6m²+9m+2 b) 3x³+4x³+2x+9x²+12x+6=7x³+9x²+14x+6 c) 6k³-6k²-6k+30k²-30k-30=6k³+24k²-36k-30 d) x³+x²+x-x²-x-1=x³-1 e) 6p³-8p²+14p+9p²-12p+21=6p³+p²+2p+21 f) -32z³+8z²-16z-24z²+6z-12=-33z³-16z²-10z-12
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Evelina783
A) (m+2)(m²+4m+1)=m³+4m²+m+2m²+8m+2=m³+6m²+9m+2 b)(x+3)(3x²+4x+2)=3x³+4x²+2x+9x²+12x+6=3x³+13x²+14x+6 c)(k+5)(6k²-6k-6)=6k³-6k²-6k+30k²-30k-30=6k³+24k²-36k-30 d)(x²+x+1)(x-1)=x³+x²+x-x²-x-1=x³-1 e)(2p+3)(3p²-4p+7)=6p³-8p²+14p+9p²-12p+21=6p³+p²+2p+21 f)(-4z-3)(8z²-2z+4)=-32z³+8z²-16z-24z²+6z-12=-32z³-16z²-10z-12
b) 3x³+4x³+2x+9x²+12x+6=7x³+9x²+14x+6
c) 6k³-6k²-6k+30k²-30k-30=6k³+24k²-36k-30
d) x³+x²+x-x²-x-1=x³-1
e) 6p³-8p²+14p+9p²-12p+21=6p³+p²+2p+21
f) -32z³+8z²-16z-24z²+6z-12=-33z³-16z²-10z-12
b)(x+3)(3x²+4x+2)=3x³+4x²+2x+9x²+12x+6=3x³+13x²+14x+6
c)(k+5)(6k²-6k-6)=6k³-6k²-6k+30k²-30k-30=6k³+24k²-36k-30
d)(x²+x+1)(x-1)=x³+x²+x-x²-x-1=x³-1
e)(2p+3)(3p²-4p+7)=6p³-8p²+14p+9p²-12p+21=6p³+p²+2p+21
f)(-4z-3)(8z²-2z+4)=-32z³+8z²-16z-24z²+6z-12=-32z³-16z²-10z-12