Question

Expand each of the following expressions:

1. (a+1)(a-9)

2. (b-2)(b+7)

3. (c-5)(c-6)

4. (3d+1)(5-2d)

5. (1-f)(7f+6)

6. (4-3h)(10-9h)
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Answer 1

Answer:

Here is your amswer

Step-by-step explanation:

a square + (-8)