Question

48t2−(12t−4)⋅(4t+1)=−2

Answer 1

48t²−(12t−4)⋅(4t+1)=−2
48t²-48t²-12t+16t+4=-2
-12t+16t=-2-4
4t=-6
t=-6:4
t=-1.5

Answer 2

помоги

Answer 3

26y^2-52y+2y-4=26y^2+26y-5y-5;26y^2-52y+2y-26y^2-26y+5y=4-5=-71y=-1; у=-1:71;у=-1/71

Answer 4

0,2d(2d2−3)(3d2+10)

Answer 5

помоги

Answer 6

=(0.4d^3-0.6d)(3d^2+10)=1.2d^5+4d^3-1.8d^3+6d=1.2d^5+3.2d^3+6d