Answer:
3[tex]x^{2}[/tex]-27x-30
=3[tex]x^{2}[/tex]-(30-3)x-30
=3[tex]x^{2}[/tex]-30x+3x-30
=3x(x-10)+3(x-10)
=(3x+3)(x-10)
Step-by-step explanation:
