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NatalieLove

  • 4 years ago

Brooke wants to have equal amounts of room on all four sides of her pool table. A 4ft by 7ft table is placed in the center of a rectangular room that has an area of 238 square feet. What is the width of the clear space Brooke will have on all sides of her table?

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  1. NatalieLove
    • 4 years ago
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  2. tutordiffeq
    • 4 years ago
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    (4+2x)(7+2x)=238 28+4x^2+22x=238 4x^2+22x-210=0 got it from here?

  3. NatalieLove
    • 4 years ago
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    not really

  4. tutordiffeq
    • 4 years ago
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    quadratic equation. (-b +/- sqrt( b^2-4ac)) / 2a

  5. tutordiffeq
    • 4 years ago
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    ax^2+bx+c=0

  6. tutordiffeq
    • 4 years ago
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    a=4 b=22 c=-210

  7. NatalieLove
    • 4 years ago
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    i got 14 for the answer

  8. NatalieLove
    • 4 years ago
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    sorry x = 5 right ?

  9. tutordiffeq
    • 4 years ago
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    yup

  10. NatalieLove
    • 4 years ago
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    alright thanks much

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