Tuesday, 25 February 2014

FACTORIZATION C10

Factorize 3x2 - 16x + 5.

Solution

= 3x2 - 16x + 5. We split the middle term (-16x) to be (-x - 15x).

= 3x2 - x - 15x + 5.

= (3x2 – x) – (15x + 5)

= x(3x – 1) – 5(3x - 1)

= (x - 5) (3x - 1)

Hence 3x2 - 16x + 5= (x - 5) (3x - 1)answer.


TRY THIS…..


6x2 - 17x - 14.


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