What must be added to (-15 + 4x – 3x2 + x) to obtain a polynomial which is
exactly divisible by (x – 3)?
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Answer:
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Step-by-step explanation:
-15 + 4x - 3x2 + x
= -3x2+5x-15
Multiply it by - ,
= 3x2 - 5x + 15
Divide 3x2 - 5x + 15 and x-3
Refer to attachment for further steps..
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Step-by-step explanation:
(-15 +4x-3×2 +x^2)
( x^2+4x-6-15 )
Let the added element be k
(×-3)
g(2) = x-3
0=x-3
x=3
put the of x in p(x)
p(3) =3^2 +4(3) -6 -15 +k
0= 6+12-6-15+k
= 12-15 +k
=-3 +k
k=3
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