Question

ex 6, descompune în factori ​

Answer 1

a) $3x^{5}-5x^{3}=x^{3}(3x^{2}-5)$

b)$2y^{6}+3y^{4}=y^{4}(2y^{2}-3)$

c) $4a^{8}-3a^{5}=a^{5}(4a^{3}-3)$

d)$x^{3}-2x^{2}-3x=x(x^{2}-2x-3)$

e)$5y^{4}+3y^{2}-y=y(5y^{3}+3y-1)$

f)$4a^{3}+3a^{4}-7a^{7} =a^{3}(4+3a-7a^{4})$

g)$x^{4}-2x^{3}-x^{2} =x^{2}(x^{2}-2x-1)$

h)$7t^{5}-5t^{7}=t^{5}(7-5t^{2})$