Add 5x²-3x +4y
4x² +8x
- 9x²- 7x +4y
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Answer:
5x²-3x+4y+4x²+8x-9x²-7x+4y
5x²+4x²-9x²-3x-7x+8x+4y+4y
9x²-9x²-10x+8x+8y
-2x+8y
-2(x-4y)Ans
Step-by-step explanation:
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