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solve each quadratic equation. show your work. (2x-1)(x+7)=0
(2x - 1)(x + 7)=0 2x^2 - x + 14x - 7 = 0; 2x^2 + 13x - 7 = 0; (2x - 1)(x + 7) = 0; 2x - 1 = 0, x = 1/2; x + 7 = 0, x = -7; The solutions are x = 1/2 or x= -7.
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Asked 3/25/2016 8:32:49 PM
Updated 3/27/2016 9:25:36 PM
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(2x - 1)(x + 7)=0
2x^2 - x + 14x - 7 = 0;
2x^2 + 13x - 7 = 0;
(2x - 1)(x + 7) = 0;
2x - 1 = 0, x = 1/2;
x + 7 = 0, x = -7;
The solutions are x = 1/2 or x= -7.
Added 3/27/2016 9:25:36 PM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [3/28/2016 2:57:53 AM], Rated good by Andrew.
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