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24 November, 11:11

A rectangle has a height of 7x^2 and a width of 3x^2+8x+7.

Express the area of the entire rectangle.

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Answers (2)
  1. 24 November, 11:13
    0
    Answer: 21x^4 + 56x^3 + 49x^2

    Explanation:

    area of rectangle = height x width

    7x^2 (3x^2+8x+7)

    = 21x^4 + 56x^3 + 49x^2
  2. 24 November, 11:36
    0
    Step-by-step explanation:

    Area of the rectangle = height * width

    = 7x² * (3x² + 8x + 7)

    = 7x² * 3x² + 7x² * 8x + 7x² * 7

    = 21x⁴ + 56x³ + 49x²
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