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what is the answer of this question 5^(2)+10x-30=0

Sagot :

PUNKGURLviz
5∧2+10x-30=0
25+10x-30=0
-5+10x=0
10x=5
10  10
x=5  or 1
   10     2

or

5∧2+10x-30=0
25+10x-30=0
-5+10x=0
-5=-10x
-10 -10
1=x   
2

.. positive ang sgot..