Find the root of polynomial 3x³-12x=0
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3x³-12x=0
⇒3x(x²-4)=0
⇒x²-4=0
⇒x²-2²=0
⇒(x+2)(x-2)=0
Hence the roots of the polynomial are ;
x=-2 and x=2 Ans.
⇒3x(x²-4)=0
⇒x²-4=0
⇒x²-2²=0
⇒(x+2)(x-2)=0
Hence the roots of the polynomial are ;
x=-2 and x=2 Ans.
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