split the middle term of 4x^2+ 5√2x -3
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Answer:
4x^2 + 5√2x - 3= 4x^2 + 6√2x - √2 -3
= 2√2x (√2x + 3) - 1 (√2 + 3)
= (2√2x - 1) ( √2 + 3)
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