Question

(5x-2).(5x-2) ??????????

Answer 1

Resposta:

produto notável

(a - b)*(a - b) = a² - 2ab + b²

(5x - 2)*(5x - 2) = 25x² - 20x + 4

Answer 2

Resposta:

2 5 2 − 2 0 + 4

Explicação passo a passo:

( 5 − 2 ) ( 5 − 2 )

5 ( 5 − 2 ) − 2 ( 5 − 2 )

2 5 2 − 1 0 − 2 ( 5 − 2 )

2 5 2 − 1 0 − 1 0 + 4

2 5 2 − 2 0 + 40=

2 5 2 − 2 0 + 4