The expression(5a-4b)(5a+4a) * A) 10a² - 8b² B) 10a - 8b C) 25a - 16b D) 2 5a²-16b²

Michal Adamaszek asked Mar 15, 2022

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

A) 10a² - 8b²

B) 10a - 8b

C) 25a - 16b

D) 2 5a²-16b²

Michal Adamaszek asked Mar 15, 2022

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9 votes

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

Explanation:

Igor Kavzov answered Mar 21, 2022

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