Răspuns :
a) 3x+3y=3(x+y
b)[tex] 2\sqrt{2}a-4b=2( \sqrt{2}a-2b) [/tex]
c)[tex] x^{2} + x^{3}= x^{2}(1+x)[/tex]
b)[tex] 2\sqrt{2}a-4b=2( \sqrt{2}a-2b) [/tex]
c)[tex] x^{2} + x^{3}= x^{2}(1+x)[/tex]
[tex]a)3x+3y=3*(x+y)\\b)2\sqrt{2}-4b=2*(\sqrt{2}-2b)\\c)x^{2}+x^{3}=x^{2}*(x+1)[/tex]