Solve the Quadratic Equation: -6x² + 12x - 14 = 0

Solve the following equation:

6x2+12x14=0 -6x^2+12x-14=0

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Find X
00:03 Pay attention to coefficients
00:10 Use the roots formula
00:27 Substitute appropriate values according to the given data and solve for X
00:48 Calculate the products and square
01:05 There's no such thing as a root of a negative number, therefore there's no solution
01:10 And this is the solution to the question

Step-by-step written solution

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1

Understand the problem

Solve the following equation:

6x2+12x14=0 -6x^2+12x-14=0

2

Step-by-step solution

To solve the quadratic equation 6x2+12x14=0-6x^2 + 12x - 14 = 0, we'll use the quadratic formula:

The quadratic formula is x=b±b24ac2ax = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}.

Let's calculate step by step:

  • Identify the coefficients: Here, a=6a = -6, b=12b = 12, and c=14c = -14.
  • Compute the discriminant: b24ac=1224(6)(14)=144336=192b^2 - 4ac = 12^2 - 4(-6)(-14) = 144 - 336 = -192.
  • Assess the discriminant: The discriminant is 192-192, which is less than zero.
  • Since the discriminant is negative, there are no real solutions to the equation.

Therefore, the correct answer to the problem is "No solution."

3

Final Answer

No solution

Practice Quiz

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Solve the following equation:

\( 2x^2-10x-12=0 \)

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