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Learning Task 1: Write and answer the following
1. Evaluate the following polynomials in outlet
f(x) = ** - 7x + 2x - 6
b. f(x) = 10 + 4x2 - 5
Ex) = *-* +5x3 - 2x + 3 find
2.
at
2. Factor each polynomial completely using an od
+ D-5x + 6)
b. ++
+31-12
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Answer:
Here p(x)=3x
3
+3x
2
+3x+1;g(x)=x+2
Now
p(−2)=3(−2)
3
+3(−2)
2
+3(−2)+1
=−24+12−6+1=−30+13=−17
p(−2)
=0
i.e. x+2 is not a factor of 3x
3
+3x
2
+3x+1