queston part only cnanges iIty the answer. Assignment Scoring Your last submissi

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queston part only cnanges iIty the answer. Assignment Scoring Your last submission is used My No 0/4.76 points | Previous Answers SPreCalc7 3.5.061 Find all zeros of the polynomial. (Enter your answers as a comma-separated list. Enter all answers including repetitions. P(x) = 12x4 + 12x3 + 15x2 + 12x + 3 Need Help? Leeds-I Emeni Submit Answer Save Progress ! Practice Another Version 7.-4.76 points SPreCalc7 3.5.068 A polynomial P is given. P(x) =x4 + 8x2 + 16 (a) Factor P into linear and irreducible quadratic factors with real coefficients P(x)- (b) Factor P completely into linear factors with complex coefficients. P(x) Need Help?Read It

Explanation / Answer

P(x)=12x4+12x3+15x2+12x+3

P(x)=3(2x+1)2(x2+1)

Zeroes,P(x)=0

3(2x+1)2(x2+1)=0

2x+1=0, x2=-1

x=-1/2, x=-i,i

Real zeroes, x=-1/2, complex zeroes, x=-i,i

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