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January 30, 2015

January 30, 2015

Posted by **Anonymous** on Tuesday, January 10, 2012 at 9:03pm.

- math -
**Anya**, Tuesday, January 10, 2012 at 9:08pm3 and 10

- math -
**jack**, Friday, January 13, 2012 at 11:22ama * b = 30 .....1

a - b = 7 ..... 2

a = 7 + b ......3

(7+b)(b)=30

b^2+7b-30=0

(using quadratic formula)

b = -10 or b = 3

a = -3 or a = 10

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