Question

Descompuneti in factori polinoamele
a) $X^{2}-3X-10$
b)$3X^{2}-5Y$
c)$X^{4}-2X ^{2}+ X^{3}-2X$

Answer 1

[tex]x^2-3x-10= x^2 +2x-5x-10 =x(x+2)-5(x+2) =(x+2)(x-5)[/tex]