plz help guys for this
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p (x)=(x+1)^7+(2x+k)^3
x+2 is a factor
then
p (-2)=0
so
(-2+1)^7+(-4+k)^3=0
(-1)^7+(-4+k)^3=0
(-4+k)^3=1
-4+k=1
k=5
that's it
hope it helps you
x+2 is a factor
then
p (-2)=0
so
(-2+1)^7+(-4+k)^3=0
(-1)^7+(-4+k)^3=0
(-4+k)^3=1
-4+k=1
k=5
that's it
hope it helps you
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