leannewells2880 leannewells2880
  • 10-08-2019
  • Mathematics
contestada

Which shows the equation below written in the form ax2 + bx + c = 0?
x + 10 = 3(x - 1)^2
A. 3x2 - 5x + 13 = 0
B. 3x2 -7x+ 13 = 0
c. 3x2-77-7 = 0
D. 3x2 - 5x- 7 = 0​

Respuesta :

Ashone Ashone
  • 10-08-2019

Answer:

C

Step-by-step explanation:

x+10=3(x2-2x+1)

x+10=3x2-6x+3

3x2-7x-7=0

Answer Link
jimrgrant1 jimrgrant1
  • 10-08-2019

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

Answer Link

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