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How do you solve this quadratic equation. -3x^2+147=0
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2 votes
How do you solve this quadratic equation.
-3x^2+147=0

User Alcides
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2 Answers

4 votes

-3x^2+147=0\\ -3x^2=-147\\ x^2=49\\ x=-7 \vee x=7
User Hoangquyy
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9.2k points
4 votes
-3x²+147=0

3x²=147

x²=147/3

x²=49

So:

x=√49=7, or... x=-√49=-7
User Jonspaceharper
by
8.7k points
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