thanhtruc1412008 thanhtruc1412008

06-11-2021
Mathematics

contestada

1.
7x(x-2y)
(2+1)(+5)

Respuesta :

syahbanazacki syahbanazacki

06-11-2021

Step-by-step explanation:

7x(x - 2y)

= 7x.(x - 2y)

= 7x² - 14xy

= (2 + 1)(+5)

= (3)(5)

= 3 × 5

= 15

Answer Link

09-11-2021

Step-by-step explanation:

1) 7x(x - 2y)

= (7x . x) - (7x . 2y)

= 7x² - 14xy

2) (2 + 1)(+5)

= 3(+5)

= (3 . +5)

= (3 . 5)

= 15

Answer Link

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