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anonymous

  • 5 years ago

What is the product of 6x+3 and 2x^2-5? Show all work.

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  1. amistre64
    • 5 years ago
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    http://www.wolframalpha.com/input/?i=%286x%2B3%29%28+2x^2-5%29

  2. anonymous
    • 5 years ago
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    I dont see where it shows how to solve it or the answer.

  3. amistre64
    • 5 years ago
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    to solve it you simply multiply it together.....

  4. anonymous
    • 5 years ago
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    How do you do that?

  5. amistre64
    • 5 years ago
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    by applying the distributive property thru the problem

  6. amistre64
    • 5 years ago
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    8(6) = 48 (5+3)(2+4) = 48 (5+3)(2) + (5+3)(4) = 48 5(2) + 3(2) + 5(4) + 3(4) = 48 10 + 6 + 20 + 12 = 48 16 + 32 = 48 48 = 48 thats how we distribute....

  7. anonymous
    • 5 years ago
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    So the answer is 48?

  8. anonymous
    • 5 years ago
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    no he was just giving you an example . you have to do 4 multiplications

  9. anonymous
    • 5 years ago
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    \[(6x+3)(2x^2-5)\]

  10. anonymous
    • 5 years ago
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    \[6x\times 2x^2+6x\times -5+3\times 2x^2+3\times -5\]

  11. anonymous
    • 5 years ago
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    4 multiplications . then of course you actually do the multiplications as in \[6x\times 2x^2=12x^3\] \[6x\times -5=-30x\] \[3\times 2x^2=6x^2\] \[3\times -5=-15\]

  12. anonymous
    • 5 years ago
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    so your answer is \[12x^3-30x+6x^2-15\]

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