Factor the following trinomial completely: x4 - 14x3 + 49x2 A. x2(x - 7)2 B. x2(x - 7)(x 7) C. x4(x - 7)2 D. (x2 - 7)2
Question
Updated 7/7/2014 5:31:20 PM
Edited by andrewpallarca [7/7/2014 5:28:28 PM], Confirmed by andrewpallarca [7/7/2014 5:28:31 PM]
Original conversation
User: Factor the following trinomial completely: x4 - 14x3 + 49x2 A. x2(x - 7)2 B. x2(x - 7)(x 7) C. x4(x - 7)2 D. (x2 - 7)2

Weegy: x^4 - 14x^3 + 49x^2 = x^2(x - 7)^2
eturker|Points 2955|

User: Solve. (x - 3)2 = 25

Question
Updated 7/7/2014 5:31:20 PM
Edited by andrewpallarca [7/7/2014 5:28:28 PM], Confirmed by andrewpallarca [7/7/2014 5:28:31 PM]
Rating
3
(x - 3)^2 = 25;

(x - 3)(x - 3) = 25;

x^2 - 6x + 9 = 25;

x^2 - 6x + 9 - 25 = 0;

x^2 - 6x - 16 = 0;

(x + 2)(x - 8) = 0;

(x + 2) = 0 or (x - 8) = 0;

x = -2 or x = 8

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