X cube plus 13x square
plus 32x plus 20 divided by x plus 1
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Step-by-step explanation:
X3+13x2+32x+28/x+1========x+1=0 then value of x is equal to -1 substitute this value of xin equation. -1 cube+13*-1 square+32*-1+20===-1+13-32+20====0
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