what side lengths should be used to model a rectangle with an area of x^2+3x-10 square units? x-5 and x+2 x and x+3 x+3 and x-10

Question

what side lengths should be used to model a rectangle with an area of x^2+3x-10 square units? x-5 and x+2 x and x+3 x+3 and x-10

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bonexptip 4 years 2021-08-12T06:57:50+00:00 2 Answers 56 views 0

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  1. Maris
    0
    2021-08-12T06:58:50+00:00
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    Answer:

    Answer: x-2 and x+5 side lengths should be used to model a rectangle.

    Step-by-step explanation:

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  2. ngocdiep
    0
    2021-08-12T06:59:17+00:00
    Reply

    Answer:

    None of the 3 available answers models the given rectangle

    I believe (x+5)(x-2) would be equal though.

    Step-by-step explanation:

    (x-5)(x+2) = x²+2x-5x-10

    simplify:

    x²-3x-10 ≠ x²+3x-10

    (x)(x+3) = x²+3x

    simplify:

    x²-3x ≠ x²+3x-10

    (x+3)(x-10) = x²-10x+3x-30

    simplify:

    x²-7x-30 ≠ x²+3x-10

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )