1.

Using the FActor theroem, show that: (i) (x-2) is a factor fo x3−2x2−9x+18 Hence factories the expression (ii) (x+5) is a factor of2x3+5x2−28x−15 Hence factorise fthe expression 2x3+5x2−28x−18 completely. (iii) (3x+2) is a factor fo 3x3+2x2−3x−2. Hence factorise the expression 3x3+2x2−3x−2 completely

Answer»

Using the FActor theroem, show that:
(i) (x-2) is a factor fo x3−2x2−9x+18 Hence factories the expression
(ii) (x+5) is a factor of2x3+5x2−28x−15 Hence factorise fthe expression 2x3+5x2−28x−18 completely.
(iii) (3x+2) is a factor fo 3x3+2x2−3x−2. Hence factorise the expression
3x3+2x2−3x−2 completely


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