Question

Me ajudem
(1) -3(x+y). (B)7(x-2y). (C)(5a)•(10b)
(D)-(4b)•(2x). (E)(4x²+2x+3)•(2x)
(F)(3y²+3y+1)•(3y)

Answer 1

A)-3(x+y) = -3x -3y

B) 7(x-2y)= 7x -14y

C) (5a).(10b)= 50ab

D) (4b).(2x)= 8bx

E) (4x^2 +2x +3).(2x)
8x^3+ 4x^2 + 6x

F) (3y^2+ 3y+1).(3y)
9y^3+9y^2+3y