2𝑥 squared add 8𝑥 subtract 6𝑥 subtract 24. Finally, simplify where you can. 8 and –6𝑥 are both terms in 𝑥, so they can be simplified. Be careful with negative numbers here.
It may be possible to simplify an expression by collecting like ... keep that sign and add the numbers. Use the sign in front of the bigger number and subtract the numbers.