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For the following quadratic equation, find the discriminant.

x^(2)-16 x+51=4x-2
Answer:

For the following quadratic equation, find the discriminant.\newlinex216x+51=4x2 x^{2}-16 x+51=4 x-2 \newlineAnswer:

Full solution

Q. For the following quadratic equation, find the discriminant.\newlinex216x+51=4x2 x^{2}-16 x+51=4 x-2 \newlineAnswer:
  1. Rephrase the Question: First, let's rephrase the "What is the discriminant of the quadratic equation x216x+51=4x2x^2 - 16x + 51 = 4x - 2?"
  2. Standard Form Conversion: To find the discriminant, we need to write the quadratic equation in the standard form ax2+bx+c=0ax^2 + bx + c = 0. Let's move all terms to one side of the equation to do this.\newlinex216x+51(4x2)=0x^2 - 16x + 51 - (4x - 2) = 0
  3. Combine Like Terms: Now, let's simplify the equation by combining like terms. x216x+514x+2=0x^2 - 16x + 51 - 4x + 2 = 0 x220x+53=0x^2 - 20x + 53 = 0
  4. Identify Coefficients: The standard form of a quadratic equation is ax2+bx+c=0ax^2 + bx + c = 0. In our equation, a=1a = 1, b=20b = -20, and c=53c = 53.
  5. Calculate Discriminant Formula: The discriminant of a quadratic equation is given by the formula D=b24acD = b^2 - 4ac. Let's calculate the discriminant using the values of aa, bb, and cc we found.\newlineD=(20)24(1)(53)D = (-20)^2 - 4(1)(53)
  6. Perform Calculations: Now, let's perform the calculations.\newlineD=4004(53)D = 400 - 4(53)\newlineD=400212D = 400 - 212
  7. Find Discriminant Value: Finally, let's subtract 212212 from 400400 to find the value of the discriminant.\newlineD=188D = 188

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