verify that x =3 is the zero of the polynomial p(x) =x-2x-x
Answers
Answered by
1
Answer:
p(x) = x-2x-x
x= 3
sol: p(3) = 3-2(3) -3
p(3) = 1(3) -3
p(3) =3-3
p(3) = 0
Answered by
2
Answer:
given polynomial x2+2x-15
to verify :x=3 is a zero of the given
polynomial
solution
consider
x2+2x-15
sub-x=3 in the above equation
(3)+2x-15
9+2(3)-15
9+6-15
15-15
0
thus x=3 is a zero of the polynomial.
x2+2x-15
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