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solve quadratic equation 6X2+7X+106X^2+7X+10

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Q. solve quadratic equation 6X2+7X+106X^2+7X+10
  1. Write Quadratic Equation: Write down the quadratic equation.\newlineWe have the quadratic equation 6X2+7X+10=06X^2 + 7X + 10 = 0.
  2. Identify Coefficients: Identify the coefficients of the quadratic equation.\newlineThe coefficients are a=6a = 6, b=7b = 7, and c=10c = 10.
  3. Check Factorization: Check if the quadratic can be factored easily.\newlineThe quadratic equation 6X2+7X+106X^2 + 7X + 10 does not factor easily because there are no two integers that multiply to 6×106\times10 (6060) and add up to 77. Therefore, we will use the quadratic formula to find the solutions.
  4. Recall Quadratic Formula: Recall the quadratic formula.\newlineThe quadratic formula is X=b±b24ac2aX = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}.
  5. Substitute Coefficients: Substitute the coefficients into the quadratic formula.\newlineSubstitute a=6a = 6, b=7b = 7, and c=10c = 10 into the formula to get X=(7)±(7)24(6)(10)2(6)X = \frac{-(7) \pm \sqrt{(7)^2 - 4(6)(10)}}{2(6)}.
  6. Simplify Square Root: Simplify under the square root.\newlineCalculate the discriminant: (7)24(6)(10)=49240=191(7)^2 - 4(6)(10) = 49 - 240 = -191.
  7. Negative Discriminant: Since the discriminant is negative, the solutions will be complex numbers.\newlineWe have X=7±19112X = \frac{-7 \pm \sqrt{-191}}{12}.
  8. Complex Number Solutions: Write the solutions in terms of complex numbers.\newlineThe solutions are X=7+19112X = \frac{-7 + \sqrt{-191}}{12} and X=719112X = \frac{-7 - \sqrt{-191}}{12}, which can be written as X=712+191i12X = \frac{-7}{12} + \frac{\sqrt{191}i}{12} and X=712191i12X = \frac{-7}{12} - \frac{\sqrt{191}i}{12}.