Question

Reduza os termos semelhantes a) 5x + 7y -** 2y - 5y Le b) 2y3 - 5y+ 6 - 2y + y2 - y = c) 3 ab + 7 bc - 2 ab - 4 ac + 3 bc - 3 ac

me ajudem ​

Answer 1

5x +7y -x +2y -5y

5x -x +7y +2y -5y

4x + 4y

2y² - 5y +6 -2y +y² -y

2y² + y² -5y - 2y - y +6

3y² -8 +6

3ab + 7bc - 2ab -4ac +3bc -3ac

3ab -2ab +7bc +3bc -4ac -3ac

1ab + 10bc -7ac