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For the following quadratic equation, find the discriminant.

-3x^(2)+48 x-125=x^(2)+3
Answer:

For the following quadratic equation, find the discriminant.\newline3x2+48x125=x2+3 -3 x^{2}+48 x-125=x^{2}+3 \newlineAnswer:

Full solution

Q. For the following quadratic equation, find the discriminant.\newline3x2+48x125=x2+3 -3 x^{2}+48 x-125=x^{2}+3 \newlineAnswer:
  1. Rearrange quadratic equation: Bring all terms to one side of the equation to get a standard form of a quadratic equation ax2+bx+c=0ax^2 + bx + c = 0.\newline3x2+48x125x23=0-3x^2 + 48x - 125 - x^2 - 3 = 0\newlineCombine like terms.\newline(3x2x2)+48x+(1253)=0(-3x^2 - x^2) + 48x + (-125 - 3) = 0\newline4x2+48x128=0-4x^2 + 48x - 128 = 0
  2. Identify coefficients: Identify the coefficients aa, bb, and cc from the standard form of the quadratic equation.\newlinea=4a = -4, b=48b = 48, c=128c = -128
  3. Calculate discriminant: Use the discriminant formula for a quadratic equation, which is D=b24acD = b^2 - 4ac. Substitute the identified coefficients into the formula. D=(48)24(4)(128)D = (48)^2 - 4*(-4)*(-128)
  4. Calculate discriminant: Use the discriminant formula for a quadratic equation, which is D=b24acD = b^2 - 4ac. Substitute the identified coefficients into the formula. D=(48)24(4)(128)D = (48)^2 - 4*(-4)*(-128) Calculate the discriminant. D=230444128D = 2304 - 4*4*128 D=23042048D = 2304 - 2048 D=256D = 256

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