factories the following by middle terms splitting x^2 -30x -99 – InterviewSolution

1.	factories the following by middle terms splitting x^2 -30x -99
Answer» x^2 - 30x - 99= x^2 - 33x + 3x - 99= x(x - 33) + 3(x - 33)= (x+3)(x-33)

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