Question

Scoate factor comun:
1. 2×a+2×b+2×c;
2. 5×X+5×y-5×z;
3. 7×a+7×b+49;
4. 3×X-3×y+3.
DAU COROANA LA PRIUML CARE A SCRIS, CAND IMI VA APAREA PROMIT CA DAU

Answer 1

1. 2*a + 2*b + 2*c = 2(a + b + c)
2. 5*x + 5*y + 5*z = 5(x + y + z)
3. 7*a +7*b + 49 = 7(a + b + 7)
4. 3*x - 3*y + 3 = 3(x - y + 1)