Question

a) (5a³ b - 3a - b² + b) ab²
b) (2x + y)(x - 3y) =
c) 5a²b - 6a²b - a²b + 3a²b ​

Answer 1

Resposta:

a) (5a³b-3a-b²+b) ab²

=5a⁴b³-3a²b²-ab⁴+ab³

b) (2x+y) (x-3y)

=2x*x-2x*3y+xy-y*3y

=2x²-6xy+3y²

=2x²-5xy-3y²

c) 5a²b-6a²b-a²b+3a²b

=-5a²b

ESPERO TER TE AJUDADO!!!

BONS ESTUDOS!!!!