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10 February, 23:09

63=.5 (x+3) (2x+10)

it is solving for x. The entire problem revolves around a triangle. 63 is the square unit area of the triangle.

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Answers (2)
  1. 10 February, 23:14
    0
    Let's word it this way: 1/2 * (x+3) (2x+10

    Form the polynomial first. 2x^2 + 16x + 30.

    Then, divide the polynomial by two ... x^2 + 8x + 15 ...

    Happy Solving! Hope you understand!
  2. 10 February, 23:32
    0
    So I think the answer would be 30 because 5 times 3 equals 15 then two times 10 equals 20and then you act 20 and 10 together and that equals 30 So my answer would be 30
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