Question

Find the value of 'p' for which the polynomial x3+4x2-px+18 is exactly divisible by (x-2).hence factorise the polynomial

Answer 1

just divide the given polynomial by x-2 u will get the value of p

Answer 2

x=2
f(x)=(2)^3+4(2)^2-p(2)+18=0
8+16-2p+18=0
-2p+24=0
-2p=-24
p=-24/-2
p=12


hope this helps
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