A) Show that the equation 20-x^3-7x^2=0 can be rearranged to give x=20/x^2 - 7 b) using xn+1 = 20/x^2 - 7 with x0 = -9 find the values of x1, x2 and x3
C) explain what the values of x1, x2 and x3 represent

Step-by-step explanation:

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c) approximation to the location of one of the roots of the equation.  Each iteration gives a slightly more accurate value of a root .

answer is the third choice:

3x^5+4x^4+x^3+2x^2-10x-7=0

step-by-step explanation:

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step-by-step explanation: