Question

(5a²-7a) - (8a²+4a²)​

Answer 1

Answer:

-7a(a+1)

Step-by-step explanation:

(5a²-7a) - (8a²+4a²)

Remove the parentheses and change the sign into - (subtraction)

5a²-7a - 8a² - 4a²

Collect like terms

5a² - 7a - 8a² - 4a²

-7a² - 7a

Factor out -7a from the expression

-7a(a+1)

The answer is -7a(a+1)

HOPE IT HELPS. IM NOT REALLY GOOD AT MATH BUT I TRIED TO SOLVE IT. I HAVE A RECOMMENDED APP TO YOU ITS PHOTOMATH I USED IT EVERY TIME WE HAVE MATH MODULE. THATS ALL!!