Factorize completely P(x) = ³ −3 ²-9x-5
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Answered by
1
Step-by-step explanation:
P(x) =x^3-3x^2-9x-5
Factor of 5=1,5,-1,-5
P(1)=13-3x(1)2-9x-5
1-3-9-5
17-1= 16=0
P(-1)=(-1)3×3×(-1)2-9×(-1)-5
-1-3+9-5
-9+9=0
Answered by
0
Answer:
Step-by-step explanation:P(x) =x^3-3x^2-9x-5
Factor of 5=1,5,-1,-5
P(1)=13-3x(1)2-9x-5
1-3-9-5
17-1= 16=0
P(-1)=(-1)3×3×(-1)2-9×(-1)-5
-1-3+9-5
-9+9=0
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