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

Sagot :

Konrad509idn
[tex]-3x^2+147=0\\ -3x^2=-147\\ x^2=49\\ x=-7 \vee x=7[/tex]
-3x²+147=0

3x²=147

x²=147/3

x²=49

So:

x=√49=7, or... x=-√49=-7
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