matma 1 klasa lo/technikum zakres podstawowy
wykonaj mnożenie:
a i b - zrobione
c) (-a²+b)(x²-y)
d) (n⁴ +2)(m² +3)
e) (n³-4)(m³-6)
f) (-2n²+1)(3m⁴-2)
g)(x²+3)(a-2b+c)
h)(y-3)(2a-b²+4c)
i) )a³b-2c)(x²-y)
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c)
(-a²+b)(x²-y)=-a²x²+a²y+bx²-by
d)
(n⁴ +2)(m² +3)=n⁴m²+3n⁴+2m²+6
e)
(n³-4)(m³-6)=n³m³-6n³-4m³+24
f)
(-2n²+1)(3m⁴-2)=-6n²m⁴+4n²+3m⁴-2
g)
(x²+3)(a-2b+c)=ax²-2bx²+cx²+3a-6b+3c
h)
(y-3)(2a-b²+4c)=2ay-yb²+4cy-6a+3b²-12c
i)
(a³b-2c)(x²-y)=a³bx²-a³by-2cx²+2cy