Question

Scoate factor comun pe -3x :
a) -3x (la puterea a 3a) - 24x + 21x (la puterea a 2a)
b) -60x (la puterea a 4 a) +36x (la puterea a 2 a) - 18x

Answer 1

$a)-3x^{3}-24x+21x^{2}=-3x^{3}+21x^{2}-24x=-3x*(x^{2}-7x+8)\\b)-60x^{4}+36x^{2}-18x=-6x*(10x^{3}-6x+3)=-3x*(20x^{3}-12x+6)$