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Solve for x

3x^2-6x=-3

A) x=1/3 or x=1
B) x=1 or x=-1
C) x=1
D) x=-1/3 or x=-1

Is it a,b,c,or d please help!!!

1 Answer

5 votes

Answer:

C. x = 1

Explanation:

To solve this problem the best way is to use the quadratic formula. First make everything equal to 0 by adding 3 to both sides.

3x^2 - 6x + 3 = 0

The quadratic formula is:
(-b\pm√(b^2-4ac) )/(2a). Substitute the values of a, b, and c into the formula. Keep in mind:

  • a = 3
  • b = -6
  • c = 3


(-(-6)\pm√((-6)^2-4(3)(3)) )/(2(3)) \rightarrow (6\pm√(36-4(9)) )/(6) \rightarrow (6\pm√(0) )/(6) \rightarrow (1\pm0)/(1) \rightarrow 1

Therefore, x = 1.

User Dan Ganiev
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