Answer:
49x2−4y2
Step-by-step explanation:
7x(7x)+7x(−2y)+2y(7x)+2y(−2y)
Haoyu, I'm telling Ms. Mak about your behavior. Expect not to see tomorrow, you were cheating on the math test. I will also contact your parents. Reply to me immidetly if you do not want to get exposed to everyone.
Answer:3. B 4. B
Step-by-step explanation:3. Supplementary equals 180, 113 + 67 = 180
Answer:
Step-by-step explanation:
- (x³ + 1) / (x - 1) =
- (x³ - 1 + 2) / (x - 1) =
- (x³ - 1)/(x - 1) + 2/(x - 1) =
- (x - 1)(x² + x + 1)/(x - 1) + 2/(x - 1) =
- x² + x + 1 + 2/(x - 1)
