Answer:
1464843750
Step-by-step explanation:
an= 6*-5^12
3x² + xy2 – 3xy-y? >> 3x² - xy - y
line 1: = (3x² + xy2)+(-3xy – y?)
ANS 3x² - xy - y 《Correct》
line 2: = x(3x + y2) - y(3x – y2)
ANS 3x² - xy +2y²
line 3: = (x-y) (3x +y?)
ANS 3x² - 2xy - y²
If it incorrect, I'm sorry.
Answer:30/4
Step-by-step explanation:180-11x+5, add all up=180, you get 30/4
unleess i messed up somewhere
