👤

a) [tex](3x-2)( x^{2} -1)-(2-3x)( x^{2} +1)[/tex]
b) [tex]a(x- \sqrt{2})-b(x- \sqrt{2} )+c( \sqrt{2} -x)[/tex]


Răspuns :

a) (3x-2)(x^2-1)-(2-3x)(x^2+1)=  2x^2(-2 + 3x)


b) a(x-√2)-b(x-√2)+c(√2-x)= (x-√2)(a-b-c)