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Ekarsty
a fost răspuns

1) Calculati
a) x+2x-5x+8x=?
b) xla puterea a 3 x xla puterea a 2 a +3x
c) (x+1)(x+3)

Răspuns :

Renatemambouko
a) x+2x-5x+8x=6x
b) x³× x² +3x = x⁵+3x=x(x⁴+3)
c) (x+1)(x+3)=x²+x+3x+3=x²+4x+3

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