Question

a) 2x. 3x =
b)-2x. 3x =
c)20a . 2ab =
d) 7a . 6a =
e) ( +2y ) . ( +3y ) =
f) (-4ab ).(+ 5ab ) =
g) 20ab
2ab =
) (+ 8x) . (-5x ) =
​

Answer 1

Resposta:

Explicação passo-a-passo:

A) 2x. 3x = 6x^2

b)-2x. 3x = - 6x^2

c)20a . 2ab = 40a^2.b

d) 7a . 6a = 42a^2

e) ( +2y ) . ( +3y ) = 6y^2

f) (-4ab ).(+ 5ab ) = - 20a^2.b^2

g) 20ab.2ab = 40a^2.b^2

) (+ 8x) . (-5x ) = - 40x^2