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kris2685

  • 3 years ago

"remove parentheses and simplify" 3m^{4} + m-5(m ^{4} + 7)

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  1. tkhunny
    • 3 years ago
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    Hint: -5(r+3) = -5r - 15 Let's see what you get.

  2. kris2685
    • 3 years ago
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    im lost

  3. tkhunny
    • 3 years ago
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    That's not good. You need to know the Distributive Property of Multiplication over Addition. Is is usually stated like this: a(b+c) = ab + ac or maybe (b+c)a = ba + ca You MUST know this property and be able to use it. You will need it in your solution: "-5(m ^{4} + 7)"

  4. kris2685
    • 3 years ago
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    thanks

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