rubeenasadik123 rubeenasadik123

23-03-2021
Mathematics

contestada

The expression(5a-4b)(5a+4a) *

A) 10a² - 8b²

B) 10a - 8b

C) 25a - 16b

D) 2 5a²-16b²

Respuesta :

Mekhala Mekhala

24-03-2021

Answer:

I think question should change like this.

(5a-4b)(5a+4b)

(5a)(5a+4b) + (-4b)(5a+4b)

25a² + 20ab - 20ab -16b²

25a²- 16 b²

Step-by-step explanation:

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