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Can some1 help me with this pls
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3 votes
Can some1 help me with this pls

Can some1 help me with this pls-example-1
User Humam Helfawi
by
7.8k points

2 Answers

3 votes

Answer:

b

Explanation:

Open up the second bracket by changing all signs to the opposite

2a²-3ab+5b² -a²+2ab-3b²

=a²-ab+2b²

User Rayan Elmakki
by
7.2k points
4 votes

Answer:

(b) a² -ab +2b²

Explanation:

You want the difference (2a² -3ab +5b²) -(a² -2ab +3b²).

Collect terms

The difference is simplified by combining like terms:

= (2 -1)a² +(-3 -(-2))ab +(5 -3)b²

= a² -ab +2b² . . . . . . matches choice B

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User Sergiy Prydatchenko
by
8.3k points
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