Sagot :
Answer:
1. -17x²
2. 18x
3. -11y² - 3y - 13
4. 19x² + 4
5. -3x + 8y + 13z
Step-by-step explanation:
I hope it helps
Answer:
1. (15a + 6b)-(3a + 4b)
2. (32d + 10e)-(13d -- 8e)
3. (51x2 - 14 x) - (25x2 + 7x)
4. (13x - 11y) - (7x - 4y) (7-
5. (22x - 12y- 9z) --(13x + 4y - 3z)