x2 - 2x + 5, -5x2 + 4x – 7 and -9x2 – 3x + 15.
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Answer: 3x (3x + 2)
Step-by-step explanation:
4x 2 - 2x) - (-5x 2 - 8x)
= 4x 2 - 2x + 5x 2 + 8x।
= 4x 2 + 5x 2 - 2x + 8x।
= 9x 2 + 6x।
= 3x (3x + 2)।
Answer: 3x (3x + 2)
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