Question

9. Calculaţi:

a) (4x-3)2-(3x + 2)²-7x(x - 1);

c) 2(x + 5)2-3(x + 1)² + x(x + 6);

e) (x-5)² + (x + 1)²-2(x-

b) (3x+4)²-5(x-3)²-4x(x+3);

d) (2r-1)²-4(x+3)² +7(x+5);

f) (3x-1)²-2(2x-3)²-2(9x-7).
.

Answer 1

Răspuns:

rezolvarea sper sa fie corect pupp