Question

1) (2r + 3)(7r + 7)
2) (8b + 6)(b − 5)
3) (7n + 5)(4n + 6)
4) (5x + 8)(6x + 3)
5) (a − 7)(2a + 2)
6) (x − 7)(52 − 3x − 5)
7) (82 + 8m + 3) (22+ 8m + 4)
8) 5a ( a + 10 )
9) 22 ( m – 4)
Simplify
10) (a +b)(2a – 3b +c) – c ( 2a − 3b)
Simplify and evaluate them as directed:
11) y (y – 3 ) + 2 for y = 1.

12) 3y ( 2y – 7) – 3 (y − 4 ) – 63 for y = - 2

Answer 1

Answer:

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Step-by-step explanation:

1.  14r^2 +35y+21

2. 8b^2 -34b-30

3. 28n^2 +62n+30

4. 30x^2 +63x+24

5.2a^2-12a-14

6. ?

7. ?

8.5a^2+10a

9. 22m-88

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