If -1 is a zero of the polynomial p(x)=ax3
-2x2
-3x-6, then find the value of ‘a’.
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Answer:
a×(-1)^3-2×(-1)^2-3×(-1)-6=0
a×(-1)-2+1+3-6=0
a×(-1)-1-3=0
a×(-1)-4=0
a×(-1)=4
a= -4
hope this helps!
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