what is the area of a rectangle if the length is (4x + 2) cm and a width of (5x – 3) cm

Question

what is the area of a rectangle if the length is (4x + 2) cm and a width of (5x – 3) cm

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Trung Dũng 5 months 2021-09-02T06:47:39+00:00 1 Answers 0 views 0

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  1. Nick
    0
    2021-09-02T06:49:36+00:00
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    Answer:

    20x² – 2x – 6 cm

    Step-by-step explanation:

    Find the area by multiplying the length and width

    (4x + 2)(5x – 3)

    FOIL:

    20x² – 2x – 6

    So, the area of the rectangle is 20x² -2x – 6

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