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4 votes
solve the equation using inverse operations check your solutions in your final answer include all of your work 5 - 2x^2 = -15

2 Answers

3 votes

Answer:

x = ± \sqrt{10}

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}

Explanation:

User Anali
by
7.9k points
1 vote

Answer:

x = ±
√(10)

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 = ±
√(10)

User Moazzam Khan
by
7.3k points

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