Saturday, 7 December 2013

QUADRATIC A1


Factorize 2x2 - 7x - 30

Solution

2x2 + 12x – 5x - 30

(2x2 + 12x) - (5x - 30)

2x(x + 6) - 5(x + 6)

(2x - 5) (x + 6)


Hence (2x - 5) (x + 6) answer

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