Question

1)efetue os calculos

A)x(2x-3)
B)4xy(x-3+y
C)(4a+b)2b
D)4x2-x2-2x
x
E)5a6+15a-10a
5a
F)2x4y4-4x3y
2x2y

Answer 1

Olá,

A)x(2x-3) = 2x²-3x
B)4xy(x-3+y = 4x²y-12xy+4xy²
C)(4a+b)2b = 8ab + 2b²
D)4x2-x2-2x = (3x2-2x)/x = 3x-2 
x
E)5a6+15a-10a = (30a+15a-10a)/5a = 35a/5a = 7
5a
F)2x4y4-4x3y = (32xy-12xy)/4xy = 20xy/4xy = 5
2x2y