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andriy [413]
2 years ago
15

Solve for x. Use the quadratic formula. 2 x 2 −9x+8=0 Enter the solutions, in simplified radical form, in the boxes.

Mathematics
2 answers:
Lemur [1.5K]2 years ago
8 0
I apologize if it’s not the right anwser but i got it online ( the anwser)

Mars2501 [29]2 years ago
4 0

Answer:

\tt x_1=\cfrac{9-\sqrt{17}}{4}; \ \ x_2=\cfrac{9+\sqrt{17}}{4}

Step-by-step explanation:

\displaystyle\tt 2x^2-9x+8=0\\\\x=\frac{-bб \sqrt{b^2-4ac}}{2a} \\\\x=\frac{9б\sqrt{(-9)^2-4\cdot2\cdot8}}{2\cdot2} \\\\x=\frac{9б\sqrt{81-64}}{4}\\\\x=\frac{9б\sqrt{17}}{4}\\\\x_1=\frac{9- \sqrt{17}}{4}\\\\x_2=\frac{9+ \sqrt{17}}{4}

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