Q100 of 134 Page 4


Solve the quadratic equation by factorization (3x + 1) (x – 1) =15.


(3x + 1) (x – 1) = 15
=>3x 2 – 2x – 1 = 15
=>3x 2 – 2x – 1 – 15 = 0
=>3x 2 – 2x – 16 = 0
=>(3x –  8)(x + 2) = 0

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