150+300X-500X-1000X^2=120,
100X^2+20X-3=0,
(10X+3)(10X-1)=0
X1=-0.3,X2=0.1.
880+220X-20X-5X^2=1600
X^2-40X+144=0
(X-4)(X-36)=0
X1=4,X2=36.
150+300X-500X-1000X^2=120,
100X^2+20X-3=0,
(10X+3)(10X-1)=0
X1=-0.3,X2=0.1.
880+220X-20X-5X^2=1600
X^2-40X+144=0
(X-4)(X-36)=0
X1=4,X2=36.