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nadezda [96]
2 years ago
15

Pls helppp :))

Mathematics
1 answer:
kirza4 [7]2 years ago
4 0

Answer:

x=3,-7

Step-by-step explanation:

We can solve for x by using \frac{-b\pm\sqrt{b^{2} -4ac} }{2a}

By applying this on the quadratic equation, we get:

x=\frac{-4\pm\sqrt{4^{2}+84} }{2}

Which simplifies to:

x=\frac{-4\pm10}{2}

\therefore x=3,-7

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