find the value of a if x+6is a factor of xcube + 3xsq +4x+a
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a=24
hope it helps:-)
hope it helps:-)
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chinuu7:
thank you it helped me
wlcm
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your ans
given:-
x+6 is a factor
so
x+6=0
x=-6
put values
x3+3x2+4x+a=0
(-6)3+3×(-6)2+4×(-6)+a=0
-216+108-24+a=0
-132+a=0
a=132
given:-
x+6 is a factor
so
x+6=0
x=-6
put values
x3+3x2+4x+a=0
(-6)3+3×(-6)2+4×(-6)+a=0
-216+108-24+a=0
-132+a=0
a=132
it's x^3 not x3
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