Answers

2016-07-06T17:15:31+08:00
2 is the number since 2x3 is 6 then add to the square of 2 which is 4 the answer is 10

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2016-07-06T17:16:08+08:00
Let x be the unknown number, then the equation will be  x^{2} + 3x-10=0, and the roots of the equation are -5 and 2.
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