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+ 4) Consider the polynomial p(x) = -2x – 5x +x* + 10x + 4x2 – 5x – 3, which can be written in factored form as p(x) = -(2x +

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solution Consider Pex) = -2x6_5x5tah +10x3+4x2_5x-3 gro factored form Peal -(2x+3)(x-1)(x+1) given polynomial is f LS negativ(b) we have Pea) = -(2(x)+3)(x-1)=(x+1)3 het Pex)=o gives =0 -(2x+3)(x-1) ? Co2+1) = → -(2x+3) = 0 , (2-1) = 0 op (x+13=0 2xpCase 23 multiplicity of is cro x= In our -3%=-1.5 is zero one Coold) → The graph x-axis at x=-1.5 Crossing is zero of multipl

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