Factorize:
2x2 + 11x – 21
We have,
Now by using middle-term splitting, we get
= 2x2 + 14x - 3x - 21
= 2x (x + 7) - 3 (x + 7)
= (x + 7) (2x - 3)
Hence,
The given expression can be factorized as:
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