Which equation is not a quadratic? 1. x^2 2. x + x^2 3. x + 5 + x^2 4. x + 5 Have some extra points for this

Use the formulas a = x 2 – y 2, b = 2xy, c = x 2 + y 2 to answer this question. one leg of a right triangle has length 11 and all sides are whole numbers. find the lengths of the other two sides. the other leg = a0 and the hypotenuse = a1

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Solve the equation. 2x - 8(x+1)= 6(2x - 3)