Question

Add : 6x²-5x+6 , -5x²+6x+1 and 9x²-x+8​

Answer 1

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$\longrightarrow \sf (6x²-5x+6 ) + (-5x²+6x+1 ) + ( 9x²-x+8) \\ \\\longrightarrow \sf 6x²-5x+6 -5x²+6x+1 + 9x²-x+8 \\ \\\longrightarrow \sf {6x}^{2} - {5x}^{2} + {9x}^{2} - 5x + 6x - x + 6 + 1 + 8 \\ \\\longrightarrow \sf 10 {x}^{2} + 15$

Answer 2

Answer:

10xraiseto2+15

that's the answer