Use the quadratic formula to solve for x.=+9x2−5x10(If there is more than one solution, separate them with commas.)=x
Question
Use the quadratic formula to solve for x.=+9x2−5x10(If there is more than one solution, separate them with commas.)=x
Solution
The given equation is not clear. However, if the equation is 9x^2 - 5x - 10 = 0, we can solve it using the quadratic formula.
The quadratic formula is given by:
x = [-b ± sqrt(b^2 - 4ac)] / (2a)
In this equation, a = 9, b = -5, and c = -10.
First, calculate the value under the square root, which is b^2 - 4ac:
= (-5)^2 - 49(-10) = 25 + 360 = 385
Then, substitute a, b, and the calculated value into the quadratic formula:
x = [5 ± sqrt(385)] / (2*9) = [5 ± sqrt(385)] / 18
So, the solutions are:
x = (5 + sqrt(385)) / 18 x = (5 - sqrt(385)) / 18
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x2 + 9x – 10 > 0
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