Question

alguem me ajuda? 3.(2×-3)-2(×-5)=5

Answer 1

3x(2x-3)-2x(x-5)=5
3x(-6)-2x(x-5)=5
-18-2x(x-5)=5
-18-(2.x-2.5)=5
-18-(2x-2.5)=5
-18-(2x-10)=5
-18-2x+10=5
-8-2x=5
-2x=5+8
-2x=13
x=13/-2
x=13/-2
x=-6,5