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Algebra Homework Help : More Expansions of Algebraic Expressions


 Expand each of the following and type only the expanded answer in the input box.
Leave no spaces when typing the answer.
EXAMPLE: (x + 2)(12x2 - x - 63) =12x3+23x2-65x-126
Since there are multiple ways of writing an answer, it is possible the computer may mark a correct answer wrong.
So, please always check the answers and explanations.


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1.

(x + 5)(x + 7)(x + 9) =
 
Hint      

2.

(2 + y)(2y + y3)(5y + y2) =
 
Hint      

3.

(1 + a2)(3a2 - 5)(2a3 - a) =
 
Hint      

4.

(a - 2)(a - 4)(a - 10) =
 
Hint      

5.

(2z - 1)(5z - 12)(5z + 4) =
 
Hint      

6.

(y + 2)(10 - yz)(10 + yz) =
 
Hint      

7.

(1 + 2a)(7a - 6)(7a - 8) =
 
Hint      


 
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