9. 6x2 + 11x - 10 by 2x + 5
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Answer:
6x² + 11x − 10
⇒6x² + 15x − 4x − 10
⇒3x (2x + 5) −2(2x + 5)
⇒(3x − 2) (2x + 5)
the answer is (3x − 2)(2x + 5).
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