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(x-2)(x-1)
x¹ = 2
x²=1
maka 2+1=3
semoga membantu
b=-3
c=2
x1+x2=-b/a=-(-3)/1=3
x1x2=c/a=2/1=2
x1>x2
x1 = 3
x2 = 2
x1+2x2=3+2(2) = 7