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Q: Simplify: (x - 8)2 A. x2 + 64 B. x2 - 16x + 64 C. x2 - 64x + 16 D. x2 - 16
A: B. x2 - 16x + 64. (x - 8)2 can be expanded to x2 - 16x + 64.
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User: Simplify: (x - 8)2 A. x2 + 64 B. x2 - 16x + 64 C. x2 - 64x + 16 D. x2 - 16





Weegy: B. x2 - 16x + 64. (x - 8)2 can be expanded to x2 - 16x + 64.
Expert answered|eturker|Points 2772|

User: Multiply the following expressions and simplify: (2x – 7)². A. 4x² – 49 B. 4x² + 49 C. 4x² – 14x + 49 D. 4x² – 28x + 49

Weegy: D. 4x2 – 28x + 49. (2x – 7)^2 = 4x2 – 28x + 49.
Expert answered|eturker|Points 2772|



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Solve the quadratic equation. 2x^2 = 32 A. x = ±4 B. x = 2 and x = 32 C. x = 1 and x = 16 D. x = ±2
Weegy: 2x^2 = 32; x^2 = 32/2; x^2 = 16; x = ±4 (More)
Question
Expert Answered
Updated 8/31/2014 6:26:33 PM
0 Answers/Comments
Solve for x: (2x - 4)2 = 1 A. 2, 3 B. 3/2, 5/2 C. 3/2, 3/5 D. 3/2, -5/2
Weegy: The answer is A. 2,3. (More)
Question
Expert Answered
Updated 8/1/2014 12:40:07 PM
1 Answer/Comment
(2x - 4)^2 = 1;
4x^2 - 16x + 16 = 1;
4x^2 - 16x + 16 - 1 = 0;
4x^2 - 16x + 15 = 0;
(2x - 3)(2x - 5) = 0;
2x - 3 = 0; 2x = 3; x = 3/2;
2x - 5 = 0; 2x = 5; x = 5/2;
Solutions: x = 3/2 or x = 5/2
Added 8/1/2014 12:40:04 PM
This answer has been confirmed as correct and helpful.
Factor out the greatest common monomial: 25a6 - 10a5 - 40a4 A. 5(5a6 - 2a5 - 8a4) B. 5a(5a3 - 2a2 - 8a) C. 5a4(5a2 - 2a - 8) D. 5a6(5 - 2a-1 - 8a-2)
Weegy: A (More)
Question
Expert Answered
Updated 8/31/2014 6:08:09 PM
2 Answers/Comments
Factor out the greatest common monomial: 25a6 - 10a5 - 40a4 is 5a4(5a2 - 2a - 8).
25a6 - 10a5 - 40a4
=5a4(5a2-2a-8).
Added 8/31/2014 6:08:09 PM
This answer has been confirmed as correct and helpful.
Rated good by andrewpallarca, Confirmed by andrewpallarca [8/31/2014 6:21:08 PM]
Factor the polynomial by grouping: x^2 - 2x + 3x - 6 A. (x - 3)(x + 2) B. (x - 2)(x + 3) C. 2(x - 2)(x + 3) D. x2 + x - 6
Weegy: x^2 - 2x + 3x - 6 = (x - 2)(x + 3) (More)
Question
Expert Answered
Updated 6/8/2014 4:34:01 PM
0 Answers/Comments
Simplify: (5x - 10)2 A. 10x2 - 20 B. 25x2 - 100 C. 25x2 - 100x + 20 D. 25x2 - 100x + 100
Weegy: D. 25x2 - 100x + 100 (More)
Question
Expert Answered
Updated 5/13/2014 8:34:36 AM
1 Answer/Comment
(5x - 10)^2;

(5x - 10)(5x - 10);

25x^2 - 50x - 50x + 100

= 25x^2 - 100 + 100
Added 5/13/2014 8:34:36 AM
This answer has been confirmed as correct and helpful.
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