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The area (a) of a circle with a radius of r is given by the formula and its diameter (d) is given by d=2r. arrange the equations in the correct sequence to rewrite the formula for diameter in terms of the area of the circle.

(-y to the power of 2 - 4y- to the power of 2 -6 y +3)

Which shows one way to determine the facts of x3+4x2+5x+20 by grouping