answer this question please..... ...
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Answer:
-x²+10x+8
Step-by-step explanation:
(5x-3)(x+4) - (2x+5)(3x-4)
=5x²-3x+20x-12 - (6x²+15x-8x-20)
= 5x² +17x -12 - (6x²+7x-20)
= 5x²+17x-12-6x²-7x+20
= -x²+10x+8
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Answer:
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