1.

Zero of polynomial xsquare minus 2xminus3

Answer»

If POLYNOMIAL X^2-2x-3=0

By FACTORIZATION method ;

.: x^2-2x-3=0

.: x^2+x-3x-3=0

.: x(x+1)-3(x+1)=0

.: (x+1)(x-3)=0

.: (x+1)=0 or (x-3)=0

.: x= -1 or x= 3



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