(х-4)(-5х+3)=0 срочно пжжжж

Question

(х-4)(-5х+3)=0 срочно пжжжж

Answer 1

X=4 или -5x=0-3
x=-3/-5
x=3\5

Answer 2

-5х²+3х+20х-12=0
-5х²+23х-12 = 0
D = 23²-4*(-5)*(-12) = 529-240 = 289
√D = 17
x1=(-23+17)\(-10) = -0,6
х2 = (-23-7)\(-10) = 3