Question

Fatore : 9x³ + 3x²+ 18x me ajuda aí pfv​

Answer 1

∆=b^2-4×a×c

∆=(-15)^2-4×3×18

∆=225-216

∆=9

x=-b+-√∆/2×a

x=-(-15)+-√9/2×3

x=+15+-3/6

x'=15+3/6

x'=18/6

x'=3

x'=15-3/6

x'=12/6

x'=2

Forma fatorada:

a(x-x')(x-x")=0