Answer:
The answer is c
Explanation:
6x² - 3x² = 3x²
- 5x - (+ 8x) = - 5x - 8x = - 13x
3 - (- 4) = 3 + 4 = 7
result of subtraction = 3x² - 13x + 7
C
Subtract column by column from the left, that is
result of subtraction = 3x² - 13x + 7 → C
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