Question

Efectuti:
a)5x^2+8x^2--3x^2-2x^2+16x^2=
b)a^3+3a^3-8a^3+12a^3+(29a^3-27a^3)=
c)-7a^2+4a^2+(13^2+a^2)-(a^2)=
d)(16x^2-2x^2-10x^2)-(23x^2-4x^2)=
(^ inseamna la putere)
DAU COROANA!!!

Answer 1

a) 5x^2 cu -3x^2 si -2x^2 se anuleaza
8x^2+16x^2=24x^2
b) 16a^3-8a^3+2a^3=10a^3
c) -3a^2+14a^2-a^2=14a^2-4a^2=10a^2
d) 4x^2-19x^2=-15x^2