glenn raced his motorcycle 30 times last season. he finished first 12 times, second 5 times and crashed in 9 races. what percent
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If 2 is all over then
answer is
/2
if ur question is
(13+x)^1/2=x+5
take sqrt both side
13+x=(x+5)^2
u will get
x^2+9x+12=0
solve it for x
answer is
if ur question is
(13+x)^1/2=x+5
take sqrt both side
13+x=(x+5)^2
u will get
x^2+9x+12=0
solve it for x