Question

d) (3xy) - 6xy? - 3y): (37)
e) (14xy2 - 7xy): (7xu);
f) (2xyz + 4x2z - 6xz): (232)
d) (x + 1) (x3 - 2 + 1 - 1);
e) (x - 1) (21 + x2 + x + 1).
a) (-2,-2)
b) (12.7" 18" - 61): (63);
c) (day) - 2rty - day) : (2.ry);
7. Calculez, reducand termenii asemenea:
a) (ar + 2)(+3)
b) (-1)(- 1);
c) (0 - 3)(x + 1);
d) (x + 5)(1 - 1);
e) (2x + 1)(3x + 2);
f) (4.x - 1)(5x + 2);
g) (1 - x)(3x + 1);
h) (4x + 1)(5x - 2).
8. Calculeaza, reducând termenii asemenea:
a) (x + 1) (?-+ 1);
b) (x - 2) (x2 + 2x + 4);
c) (x - y) (32? + xy + y2);
9. Rezolvă, în multimea numerelor reale, inecuațiile:
a) (x - 2)(x - 3) < x(x - 1);
b) 3x (2x - 5) x(6x - 7);
c)
Ar(2+1) + 37(5-2x) < 0;
/ 1​

Answer 1

Răspuns:

d) (3×9)-(6×9-3y): 37

(27-54-32):37

-59:37

1,59459459446