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XXxxAngelDaxxXX

  • 3 years ago

2x² +9x=-7

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  1. math456
    • 3 years ago
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    use the quadratic formula! \[-b \pm \sqrt{b ^{2}-4ac}/2a\]

  2. math456
    • 3 years ago
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    here a=2; b=9 and c=7 plug in & solve!

  3. XXxxAngelDaxxXX
    • 3 years ago
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    i got 4 am i right?

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