MCQ
$(5x^2 + 6x - 3) - (2x^2- 7x - 9)$
- A$3x^2 + 12x + 6$
- ✓$3x^2 + 13x + 6$
- C$3x^2 + 9x + 6$
- DNone of the above
✓
Answer
Correct option: B.
$3x^2 + 13x + 6$
$5\text{x}2 + 6\text{x} - 3\\\underline{2\text{x}2 - 7\text{x} - 9 }\\3\text{x}2 + 13\text{x} + 6$
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