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Zina [86]
3 years ago
7

Plsssss help I need this done will mark you brainliest

Mathematics
1 answer:
Greeley [361]3 years ago
5 0

Answer:

x = ± \sqrt{10}

Step-by-step explanation:

Given

5 - 2x² = - 15 ( subtract 5 from both sides )

- 2x² = - 20 ( divide both sides by - 2 )

x² = 10 ( take the square root of both sides )

x = ± \sqrt{10} ← exact solutions

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