SOLUTION: 10x^2= -100x Please tell me how to solve this problem by factoring and doing 2 checks. Thanks. SAL I think the answer is x=0, x= -10. But, how do you do it?

Question 451111: 10x^2= -100x
Please tell me how to solve this problem by factoring and doing 2 checks.
Thanks. SAL
I think the answer is x=0, x= -10. But, how do you do it?
Answer by Gogonati(855) (Show Source): You can put this solution on YOUR website!
First set the equation to zero;, factor 10x out and get:
. Use the fact that if ab=0 then a=0 or b=o to find the roots:
10x=0=> x=0 and x+10=0 => x=-10
Answer:The solution is x=0 and x=-10.
Check:1)10*0^2=-100*0 => 0=0; 2)10*10^2=-100*(-10)=> 1000=1000.
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