Solve x² + 8x + 7 = 0 {-1, -7} {1, 7} {}
x² + 8x + 7 = 0; (x + 1)(x + 7) = 0; x = {-1, -7}
Question
Updated 8/17/2014 8:55:08 PM
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x² + 8x + 7 = 0;
(x + 1)(x + 7) = 0;
x = {-1, -7}
Confirmed by andrewpallarca [8/17/2014 8:59:07 PM]

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Factor ab + 2a + 3b + 6 User: (z-y)(y- 10)
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Question
Updated 8/17/2014 11:16:37 PM
ab + 2a + 3b + 6 = (a + 3)(b + 2)
Solve x² + 3x = 28 {4, -7} {-4, 7} {}
Question
Updated 8/17/2014 8:57:16 PM
x² + 3x = 28;
x² + 3x - 28 = 0;
(x - 4)(x + 7) = 0;
x = {4, -7}
Confirmed by andrewpallarca [8/17/2014 11:18:28 PM]
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Updated 4/29/2014 4:29:19 PM
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