Keithredd45 Keithredd45

23-02-2019
Mathematics

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whats the best expansion for (x+5a+5b)(x+a-b)

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puppyloverls3 puppyloverls3

01-03-2019

Answer:

x² + 6ax + 4bx + 5a² - 5b²

Step-by-step explanation:

(x+5a+5b )(x+a-b)

x² +a x -bx +5ax + 5a² -5ab + 5bx + 5ab -5b²

x² + 6ax + 4bx + 5a² - 5b²

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