Question

(2x-1) . (3x-5) ?????​

Answer 1

Explicação passo-a-passo:

(2x-1)(3x-5)= 0

6x²-10x-3x+5= 0

6x²-13x+5= 0

∆= (-13)²-4.6.5

∆= 169-120

∆= 49

x= 13±7/12

x'= 20/12 (:4) = 5/3

x"= 6/12 (:6)= 1/6