(x+4,5)(6x−1)−(3x+1,6)(2x−1)=−3,8x
6x
2
−x+27x−4.5−(6x
−3x+3.2x−1.6)=−3.8x
−x+27−4.5−(6x
+0.2x−1.6)=−3.8x
−x+27−4.5−6x
−0/2x+1/6=−3.8x
25.8x−2.9=−3.8x
25.8x+3.8x=2.9
29.6x=2.9
x=
296
29
(x+4,5)(6x−1)−(3x+1,6)(2x−1)=−3,8x
6x
2
−x+27x−4.5−(6x
2
−3x+3.2x−1.6)=−3.8x
6x
2
−x+27−4.5−(6x
2
+0.2x−1.6)=−3.8x
6x
2
−x+27−4.5−6x
2
−0/2x+1/6=−3.8x
25.8x−2.9=−3.8x
25.8x+3.8x=2.9
29.6x=2.9
x=
296
29