Question

Ajutor sunt clasa a V-a
Descompuneti in produs,folosind factorul comun:
a)4^5+4^8-4^4
b)3^3+6^5+3^4
c)x^2+x^3+x^4
d)5^3*6+5^4*7
e)3x^2y+2xy^2+4xy
f)7^5*x+7^4*y+49z

Atentie semnul ^ este la putere

Answer 1

a)4^5+4^8-4^4=4^4(4+4^4-1)=4^4*259

b)3^3+6^5+3^4=3^3(1+2^5*3^2+3)=3^3*292

c)x^2+x^3+x^4=x^2(1+x+x^2)

d)5^3*6+5^4*7=5^3(6+5*7)=5^3*41

e)3x^2y+2xy^2+4xy=xy(3x+2y+4)

f)7^5*x+7^4*y+49z=7^5*x+7^4*y+7^2z=7^2(7^3x+7^2y+z)