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Calculati
a) (2-3x) (X-2)
b) (2+3x) (x+2)
c) (2-3x) (x+2)
d) (2+3x) (x-2)
e) (2-3x) (x la putera 2 -3x+2)

Răspuns :

Adriana97
a. 2x-4-3x^2+6x=-3x^2+8x-4
b.2x+4+3x^2+6x=3x^2+8x+4
c.2x+4-3x^2-6x=-3x^2-4x+4
d.2x-4+3x^2-6x=3x^2-4x-4
e.2x^2-6x+4-3x^3+9x^2-6x=-3x^3+11x^2-12x+4

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