10𝑥^2 − 9𝑥 − 7
We can further write it as
= 10𝑥^2 + 5𝑥 − 14𝑥 − 7
By taking out the common terms
= 5x (2x + 1) – 7 (2x + 1)
So we get,
= (5x – 7) (2x + 1)
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