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X = -126/5 or -25.2 or -25 1/5
Step-by-step explanation:
Let x be the Width, and x+4 be the Length of the rectangle ; =>
Area = x*(x+4) = 60 ; =>
x^2 +4x - 60 = 0 ; Now solve the Quadratic equation using factoring to find x;
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6z to the 4th power - 2z to the 3rd power
Divide 3 by for to get 0.75 but that is a fraction