This is true because the answer is -6 = -6
Answer:
1 
Step-by-step explanation:
Answer:
13x^2- 6x - 9
Step-by-step explanation:
Please use the word "subtraction" or "less ... " or similar.
8x^2+x-10 less -5x^2+7x+1 is
8X^2 + x - 10
-(-5x^2+7x+ 1)
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13x^2- 6x - 9