Question

10a²-9a-4a²+8a answer please guys​

Answer 1

Answer:

the answer is 6a² - A

Step-by-step explanation:

10a²-9a-4a²+8a subtract the 10 and 4

6a²-9a+8a     Subtract 9a and 8a

and the answer is 6a² - A

Answer 2

Answer:

6a² - a

Step-by-step explanation:

$10 {a}^{2} - 9a - 4 {a}^{2} + 8a \\ = (10 {a}^{2}- 4 {a}^{2}) + (8a - 9a) \\ = 6 {a}^{2} - a$

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