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(x+2)^2 > 10-x^2
x^2+4x+4> 10-x^2
x^2+x^2+4x+4-10>0
2x^2+4x-6>0
1/2 (2x+6)(2x-2)
=> (x+3) (2x-2)
=> x=-3 2x=2
x=2/2=1
x<-3 atau x>1