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ChanellyRodriguez

  • 4 years ago

Is this correct ? Simplify: (2x + 8)(2x - 8). 4x^2-16 ?

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  1. sheena101
    • 4 years ago
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    it's 4x^2 - 64 since 8^2 is 64 :D

  2. ChanellyRodriguez
    • 4 years ago
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    so when its in a equation like that you multiply instead of add ?

  3. sheena101
    • 4 years ago
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    yes the formula goes like this : (a+b)(a-b) = a^2 - b^2

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