Question

*(3x² - 5x - 3 ) - (x² - 5x + 6) = ?*

1️⃣ (2x² - 9 )
2️⃣ (x² + 9 )
3️⃣ (2x² -10x+ 9 )
4️⃣ (2x² -10x- 9 )

Answer 1

Step-by-step explanation:

$3x {2} - 5x - 3 - x ^{2} + 5x - 6 \\ = 2x ^{2} - 9$