algebra

A triangular-shaped wall has a base of 2x=4 and a height of x+3. The area of the triangle is 56 squared inches. What is the value of x?

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asked by Nicole
  1. 1/2 (2x+4)(x+3) = 56
    x^2+5x-50 = 0
    (x+10)(x-5) = 0
    ...

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    posted by Steve

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