*(2x² + 5x – 3 ) – (x² + 5x + 6) = ?*

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

1 thought on “*(2x² + 5x – 3 ) – (x² + 5x + 6) = ?*<br /><br />1️⃣ (x² + 9 )<br />2️⃣ (x² – 10x + 9 )<br />3️⃣ (x² – 9 )<br />4️⃣ (x² + 10x – 9”

1. Answer:

   x²-9

   Step-by-step explanation:

   (2x²+5x-3)-(x²+5x+6)

   = 2x²+5x-3-x²-5x-6

   = 2x²-x²+5x-5x-3-6

   = x²-9

   MARK AS BRAINLIEST!

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