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Theonly1
a fost răspuns

efectuati
a) 7x+2y-4z-5x+6y+3z=?
b) 13 x la puterea a 2 -2x+4 x la puterea 2 -11x- 1 5x la 2+13x=?

Răspuns :

Renatemambouko
a) 7x+2y-4z-5x+6y+3z=2x+8y-z
b) 13x² -2x+4x²-11x- 15x²+13x= 2x²


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