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abbie1

  • 3 years ago

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  1. anas2000
    • 3 years ago
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    Just do this and foil it: (5 + 2x)(8 + 2x) = 154 then it'll be in standard form and you can solve it.

  2. abbie1
    • 3 years ago
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    is this right?? x=width Length of room=8+2x Width=5+2x (8+2x)(5+2x)=154 40+10x+16x+4x^2=154 4x^2+26x-114=0 2x^2+13x-57=0 2x^2-6x+19x-57=0 2x(x-3)+19(x-3)=0 (2x+19)(x-3)=0 x=-19/2 x=3

  3. abbie1
    • 3 years ago
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    so 3 feet on each side?

  4. abbie1
    • 3 years ago
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    @anas2000

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