Respuesta :

Answer:

C

Step-by-step explanation:

x+10＝3(x2-2x+1)

x+10＝3x2-6x+3

3x2-7x-7＝0

Answer:

3x² - 7x - 7 = 0

Step-by-step explanation:

Given

x + 10 = 3(x - 1)² ← expand the factor

x + 10 = 3(x² - 2x + 1) ← distribute by 3

x + 10 = 3x² - 6x + 3 ( subtract x + 10 from both sides )

0 = 3x² - 7x - 7 or

3x² - 7x - 7 = 0