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ilovemathyeah

  • 3 years ago

Solve 2x2 - 8x = -7.

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  1. antoni7
    • 3 years ago
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    2x2 - 8x - 7 = 0 solve quadratic ... and you should obtain 2 valuees for x :)

  2. shaik0124
    • 3 years ago
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    2x2-8x+7=0

  3. phuchh1402
    • 3 years ago
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    plus 7 to the right side and using this formula -b +- (square root of b^2 - 4ac)/ 2ac

  4. ilovemathyeah
    • 3 years ago
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    i still dont understand

  5. phuchh1402
    • 3 years ago
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    2x^2 -8x +7 =0 right?

  6. phuchh1402
    • 3 years ago
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    then a =2 b = -8 and c = 7

  7. ilovemathyeah
    • 3 years ago
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    its wrong

  8. phuchh1402
    • 3 years ago
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    is that 2x^2 or (2x)^2 ?

  9. ilovemathyeah
    • 3 years ago
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    my options are -2+square root 2 -2+2squate root 2 2+square root 2/2 or 2 +square root of 2 over 2

  10. phuchh1402
    • 3 years ago
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    what are you talking about?

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