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quickstudent

  • one year ago

Can someone please help me solve this? FOIL method

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  1. quickstudent
    • one year ago
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    I just don't get how to do this. Each time I try I don't get any of the given answers.

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  2. haleyelizabeth2017
    • one year ago
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    Can you show me how you tried solving it?

  3. haleyelizabeth2017
    • one year ago
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    OH! Sum of the outer and inner products.... so \((11x*7)+(-7*2x)\) :) I hope this helps...

  4. quickstudent
    • one year ago
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    So the answer is 63x?

  5. haleyelizabeth2017
    • one year ago
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    77x-14x=63x...yes :)

  6. quickstudent
    • one year ago
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    Thanks :)

  7. johnweldon1993
    • one year ago
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    |dw:1442874102756:dw| So yes "inner product" means \(\large (-7 \times 2x)\) "outer product is the \(\large (11x \times 7)\) So yes...sum those up as @haleyelizabeth2017 has shown \[\large (-7 \times 2x)+(11x \times 7)\] \[\large -14x + 77x\] \[\large 63x\]

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