Question

c) 5x . 2x? . х =

d) ба . За =

е) 8х3:2x =

f) (х + 4) (x - 2) =
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Answer 1

Explicação passo-a-passo:

c) 5x . 2x? . х =

5x² x 0.2

= x²

x² = 2x

_____________

d) 6а . За =

6a² x 0.3

= 1.8a²

_____________

е) 8х3:2x =

24/2

= 12x

_____________

f) (х + 4) (x - 2) =

x² - 2x + 4x - 8

= x² + 2x -8