Asked by timmy
Find the smallest value of x such that x^2+6x + 9 = 24
Please help me! I am very confused. Thank you!
Please help me! I am very confused. Thank you!
Answers
Answered by
Steve
surely you have learned how to solve a quadratic equation, or you'd not have been given this exercise.
x^2+6x + 9 = 24
x^2+6x-15 = 0
x = (-6±√96)/2 = -3±2√6
clearly, -3-2√6 is less than -3+2√6
x^2+6x + 9 = 24
x^2+6x-15 = 0
x = (-6±√96)/2 = -3±2√6
clearly, -3-2√6 is less than -3+2√6
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