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5 votes
Can you help me with my work

User Bennie J
by
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1 Answer

5 votes

Given

(b^2 + 13b - 9) - (6 -4b + 3b^2)

Expand

b^2 + 13b - 9 - 6 +4b - 3b^2

Rearrange

b^2 - 3b^2 + 4b + 13b - 9 - 6

simplifying

-2b^2 + 17b - 15

The first box is -2

The second is 17

The third box is -15

User James Bond
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