Respuesta :
Answer:
B) -10x + 30
Step-by-step explanation:
You have to multiply -10*x and -10*-3. -10*x equals -10x and -10*-3 is +30.

Answer:
[tex]\sf -10x+30[/tex]
Step-by-step explanation:
[tex]\sf -10(x - 3)\\-10x-\left(-10\right)\times \:3\\-10x+30[/tex]