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ihatealgebrasomuch

  • 3 years ago

if i were to simplify the equation 8x^2 + 2x = 3 , would i divided both sides by 8??

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  1. jim_thompson5910
    • 3 years ago
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    I would use the quadratic formula

  2. ihatealgebrasomuch
    • 3 years ago
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    i have to factor

  3. jim_thompson5910
    • 3 years ago
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    8x^2 + 2x = 3 8x^2 + 2x - 3 = 0 8x^2 + 6x - 4x - 3 = 0 Now factor by grouping

  4. ihatealgebrasomuch
    • 3 years ago
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    where did you get the 6 and -4 from?

  5. jim_thompson5910
    • 3 years ago
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    Multiply 8 and -3 to get -24 Now find two numbers that a) multiply to -24 AND b) add to 2 These two numbers are 6 and -4 So we break up 2x into 6x-4x

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