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x²+x-2 ≥ 10x-22
x²+x-10x-22+2 ≥ 0
x²-9x-20 ≥ 0
faktorkan
cuma bisa itu saja
x2+2x-x-2>10x-22
x2+x-10x-2+22>0
x2-9x+20>0 = a= 1 b=-9 c=20
cara mencari faktornya bisa menggunan segitiga
-b^2+_√b^2-4ac/2a
81+-√81-4.1.20/2.1
81+_√81-80/2
81+-√1/2
maka
x=81+√2
x81-√2
hnya itu gk pp ya