Math, asked by Anonymous, 6 months ago

What should be added to a2

+ 7a to make it 9a2

– 14a?.

Answers

Answered by tyrbylent

11

Answer:

8a² - 21a

Step-by-step explanation:

(9a² - 14a) - (a² + 7a) = 9a² - a² - 14a - 7a = 8a² - 21a

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